Herschel, William. Additional Observations Tending to Investigate the Symptoms of the Variable Emission of the Light and Heat of the Sun; With Trials to Set Aside Darkening Glasses, by Transmitting the Solar Rays through Liquids; And a Few Remarks to Remove Objections That Might Be Made against Some of the Arguments Contained in the Former Paper. Philosophical Transactions of the Royal Society of London 91 (1801) 354-362. 1 plate.
Herschel, William. Observations on the Two Lately Discovered Celestial Bodies. Philosophical Transactions of the Royal Society of London 92 (1802) 213-232. (asteroids)
Herschel, William. Catalogue of 500 New Nebulae, Nebulous Stars, Planetary Nebulae, and Clusters of Stars; With Remarks on the Construction of the Heavens. Philosophical Transactions of the Royal Society of London 92 (1802) 477-528.
Herschel, William. Observations of the Transit of Mercury over the Disk of the Sun; To Which is Added, an Investigation of the Causes Which Often Prevent the Proper Action of Mirrors. Philosophical Transactions of the Royal Society of London 93 (1803) 214-232. 1 plate. (sun)
Herschel, William. Account of the Changes That Have Happened, during the Last Twenty-Five Years, in the Relative Situation of Double-Stars; With an Investigation of the Cause to Which They Are Owing. Philosophical Transactions of the Royal Society of London 93 (1803) 339-382.
Herschel, William. Continuation of an Account of the Changes That Have Happened in the Relative Situation of Double Stars. Philosophical Transactions of the Royal Society of London 94 (1804) 353-384.
Herschel, William. Experiments for Ascertaining How Far Telescopes Will Enable Us to Determine Very Small Angles, and to Distinguish the Real from the Spurious Diameters of Celestial and Terrestrial Objects: With an Application of the Result of These Experiments to a Series of Observations on the Nature and Magnitude of Mr. Harding's Lately Discovered Star. Philosophical Transactions of the Royal Society of London 95 (1805) 31-64. 1 plate.
Herschel, William. On the Direction and Velocity of the Motion of the Sun, and Solar System. Philosophical Transactions of the Royal Society of London 95 (1805) 233-256. 1 plate.
Herschel, William. Observations on the Singular Figure of the Planet Saturn. Philosophical Transactions of the Royal Society of London 95 (1805) 272-280.
Herschel, William. On the Quantity and Velocity of the Solar Motion. Philosophical Transactions of the Royal Society of London 96 (1806) 205-237. 6 plates.
Herschel, William. Observations and Remarks on the Figure, the Climate, and the Atmosphere of Saturn, and Its Ring. Philosophical Transactions of the Royal Society of London 96 (1806) 455-467.
Herschel, William. Experiments for Investigating the Cause of the Coloured Concentric Rings, Discovered by Sir Isaac Newton, between Two Object-Glasses Laid upon One Another. Philosophical Transactions of the Royal Society of London 97 (1807) 180-233. 1 plate.
Herschel, William. Observations on the Nature of the New Celestial Body Discovered by Dr. Olbers, and of the Comet Which Was Expected to Appear Last January in Its Return from the Sun. Philosophical Transactions of the Royal Society of London 97 (1807) 260-266.
Herschel, William. Observations of a Comet, Made with a View to Investigate Its Magnitude and the Nature of Its Illumination. To Which is Added, an Account of a New Irregularity Lately Perceived in the Apparent Figure of the Planet Saturn. Philosophical Transactions of the Royal Society of London 98 (1808) 145-163.
Herschel, William. Continuation of Experiments for Investigating the Cause of Coloured Concentric Rings, and Other Appearances of a Similar Nature. Philosophical Transactions of the Royal Society of London 99 (1809) 259-302. 3 plates. (Newton's rings)
Herschel, William. Supplement to the First and Second Part of the Paper of Experiments, for Investigating the Cause of Coloured Concentric Rings between Object Glasses, and Other Appearances of a Similar Nature. Philosophical Transactions of the Royal Society of London 100 (1810) 149-177. 2 plates. (Newton's rings)
Herschel, William. Astronomical Observations Relating to the Construction of the Heavens, Arranged for the Purpose of a Critical Examination, the Result of Which Appears to Throw Some New Light upon the Organization of the Celestial Bodies. Philosophical Transactions of the Royal Society of London 101 (1811) 269-336.
Herschel, William. Observations of a Comet, with Remarks on the Construction of Its Different Parts. Philosophical Transactions of the Royal Society of London 102. (1812) 115-143.
Herschel, William. Observations of a Second Comet, with Remarks on Its Construction. Philosophical Transactions of the Royal Society of London 102 (1812) 229-237.
Herschel, William. Astronomical Observations Relating to the Sidereal Part of the Heavens, and Its Connection with the Nebulous Part; Arranged for the Purpose of a Critical Examination. Philosophical Transactions of the Royal Society of London 104 (1814) 248-284. 1 plate. (275-277, 40-20-10 feet telescope)
Herschel, William. A Series of Observations of the Satellites of the Georgian Planet, Including a Passage through the Node of Their Orbits; With an Introductory Account of the Telescopic Apparatus That Has Been Used on This Occasion; and a Final Exposition of Some Calculated Particulars Deduced from the Observations. Philosophical Transactions of the Royal Society of London 105 (1815) 293-362. (Uranus)
Herschel, William. Astronomical Observations and Experiments Tending to Investigate the Local Arrangement of the Celestial Bodies in Space, and to Determine the Extent and Condition of the Milky Way. Philosophical Transactions of the Royal Society of London 107 (1817) 302-331.
Herschel, William. Astronomical Observations and Experiments, Selected for the Purpose of Ascertaining the Relative Distances of Clusters of Stars, and of Investigating How Far the Power of Our Telescopes May Be Expected to Reach into Space, When Directed to Ambiguous Celestial Objects. Philosophical Transactions of the Royal Society of London 108 (1818) 429-470.
Hesser, Scott. Dissecting the Universe: Astronomical Spectrometry. Thesis, Wheaton College, Norton, Massachusetts, May 17, 2001 (.pdf)
Hetherington, N.S. The Hevelius-Auzout Controversy. Notes and Records of the Royal Society of London 27:1 (Aug. 1972) 103-106.
Hetherington, Norriss S. Mid-Nineteenth-Century American Astronomy: Science in a Developing Nation. Annals of Science 40:1 (Jan. 1983) 61-80.
Hetherington, Norriss S. The origins, achievements, and influence of the Royal Observatory, Greenwich (Book Review). Annals of Science 35:3 (May 1978) 331-332.
(Hevelius) An Account of Hevelius His Prodromus Cometicus, Together with Some Animadversions Made upon It by a French Philosopher. Philosophical Transactions 1 (1665) 104-118. p107.
Hevelius, Monsieur. An Extract of a Letter of M Hevelius, Written to the Publisher from Dantzick, August 17/27 1670. Concerning a New Star, Lately Discover'd in the Constellation of the Swan, together with the Present Appearance of the Planet Saturn. Philosophical Transactions (1665-1678), Vol. 5. (1670), pp. 2087-2091. (Latin. Illus. Cygnus, and Saturn.)
(Hevelius) An Extract of Monsieur Hevelius's Letter, Lately Written to the Publisher, Concerning the Famous Kepler's Manuscripts; Together with Some Considerations of His, about the Use of Telescopic Sights in Astronomical Observations: Delivered in the Same Language, Wherein 'Twas Written. Philosophical Transactions 9 (1674) 27-31. (Latin)
Hevelius, Monsieur. Monsieur Hevelius's Calculation of the Late Solar Eclipse's Quantity, Duration, & c. Philosophical Transactions 1 (1666) 369-371.
(Hevelius) Book Review; Joh. Hevelii, Cometographia. An Account of Some Books. PT 3 (1668) 805-812.
Heydon, Christopher. An astrological discourse. London: Printed by Iohn Macock for Nathaniel Brooks ..., 1690. (C.H. d. 1623)
Heydon, John. The harmony of the world; Being a Discourse wherein the Phaenomena of Nature are Consonantly Salved and Adapted to Inferiour Intellects. London: Printed for Henry Brome ..., 1662. (religious)
Heyman, Jacques. Hooke's Cubico-Parabolical Conoid. Notes & Records of the Royal Society of London 52:1 (1998) 39-50.
Heynacher, Erich & Fritz Kober. Resolving Power and Contrast. Zeiss Information 51. www.contaxinfo.com/pdf_files/Zeiss-Resolving_power_and_contrast.pdf
Hicks, R. Andrew & Ruzena Bajcsy. Catadioptric Sensors that Approximate Wide-angle Perspective Projections. CVPR 2000. http://www.cis.upenn.edu/~rah/online_papers/cvpr00.pdf
Hicks, R. Andrew. Catadioptric Sensors that Realize Perspective Projections http://www.mcs.drexel.edu/~ahicks/mirrors.html
Hide, Raymond & Arnold Wolfendale. Edmond Halley, a Commemoration. Quarterly Journal of the Royal Astronomical Society 34:2 (June 1993) 135-149. (with C. Ronan, A. Chapman, A. Cook, D.W. Hughes, S.R.C. Malin)
Hide, Raymond. Zenographic Longitude Systems and Jupiter's Differential Rotation. Notes & Records of the Royal Society of London 55:1 (2001) 69-79
Hideto, Ishida & John O. Haley. Anticompetitive Practices in the Distribution of Goods and Services in Japan: The Problem of Distribution Keiretsu. Journal of Japanese Studies 9:2 (Summer 1983) 319-334.
Higgins, L. Flamsteed and Astrology. Journal of the British Astronomical Association. 98:4 (June 1988) 183ff.
Higton, Hester. Portrait of an instrument-maker: Wenceslaus Hollar's engraving of Elias Allen. The British Journal for the History of Science 37:2 (June 2004) 147-166.
Hilbert, Martin. Herschel’s Investigation of the Nature of Radiant Heat: The Limitations of Experiment. Annals of Science 56 (1999) 357-378.
Hilger, A. A New Form of Governor for the Driving-Clocks of Equatorials. M.N.R.A.S. 46 (Jan. 1886) 155-156.
(Hill,G.) Zund, Joseph D. Hill, George William. American National Biography Online Feb. 2000. Oxford University Press. http://www.anb.org/articles/13/13-00757.html Nov 25 2003.
Hill, Michael. Construction Of A Dual Grating Prominence Telescope. (.doc)
Hill, Thomas. The schoole of skil. At London: Printed by T. Iudson, for W. Iaggard, 1599. 2nd ed.
(Hill, T.) Fernandez, Luke. Hill, Thomas. American National Biography Online Feb. 2000. Oxford University Press. http://www.anb.org/articles/09/09-00356.html Nov 25 2003.
(Hiltner) Code, Arthur D. Obituary: William Albert Hiltner, 1914-1991. Bulletin of the American Astronomical Society 24:4 (Sept. 1992) 1326-1327.
Hilton, J.; Bond, J. Results of the project for the comparison of the performance of astronomical telescopes. Journal of the British Astronomical Association 92:6 (Oct. 1982) 264-6.
Hind, J.R. Note on the Circumstances of the Transits of Venus over the Sun's Disk in the Years 2004 and 2012. Proceedings of the Royal Society of London 19 (1870-1871) 423-425.
Hindle, Brooke & Helen Hindle. David Rittenhouse and the Illusion of Reversible Relief. Isis 50:2 (June 1959) 135-140.
Hindle, Brooke. Witherspoon, Rittenhouse, and Sir Isaac Newton. The William and Mary Quarterly 15:3 (July 1958) 365-372.
Hinz, Philip. Nulling Interferometry at the Large Binocular Telescope in support of TPF. Proposal to NASA from Steward Observatory, University of Arizona. 7/3/2000. LBT web site.
Hirsh, Richard F. The Riddle of the Gaseous Nebulae. Isis 70:2 (June 1979) 196-212.
Hirshfeld, Alan. How Wonderfully We Stand Upon This World. http://www.powerofpurpose.org/winners/essay_hirshfeld.html Dec. 2004
Hockey, Thomas A. Nineteenth century investigations of periodicities in the jovian atmosphere. Vistas in Astronomy 34:3 (1991) 409-414.
Hodge, John E. Benjamin Apthorp Gould and the founding of the Argentine National Observatory. The Americas 28 (1971) 152-175. (Rutherfurd / Fitz)
Hodgson, Peter Edward. Galileo the Scientist. Logos: A Journal of Catholic Thought and Culture 6:3 (Summer 2003) 13-40. http://muse.jhu.edu/journals/logos/v006/6.3hodgson.html
Hoelzl, J., E. Bancher, & F. Kotlan. Concerning the Microscopes of G.S. Ploessl. Microscopy: The Journal of the Quekett Microscopical Club 32:6 (July-December 1972) 173-188.
Hofeldt, Albert J. Baseball Hitting, Binocular Vision, and the Pulfrich. Archives of ophthalmology. 12/01/96.
Hoff; Hebbel & L.A. Geddes. The Beginnings of Graphic Recording. Isis 53:3 (Sept. 1962) 287-324.
Hoffleit, Dorrit. The Earliest Infrared Light Curves. Journal of the American Association of Variable Star Observers 16 (1987) 29-33.
Hoffleit, Dorrit. Elias and Francis Loomis on Variable Stars, 1866-69. The Journal of the American Association of Variable Star Observers 13:2 (1984) 67-77.
Hoffleit, Dorrit. The evolution of the Henry Draper memorial. Vistas in Astronomy 34:1 (1991) 107-162.
Hoffleit, Dorrit. History of the Discovery of Mira Stars. The Journal of the American Association of Variable Star Observers 25:2 (1997) 115-136.
Hoffleit, Dorrit. Seeing. Sky & Telescope, Jan. 1950, pp57-58; Feb. 1950, pp88-89.
Hoffleit, Dorrit. Self-Styled Curmudgeon, W.J. Luyten 1899-1994. The Journal of the American Association of Variable Star Observers 24:1 (1996) 43-49.
Hofmann, Christian & Utz Schneider. Influence of the Jena-made optical glasses on the design of photographic lenses. Jena Review 2 (1984) 77-79.
Høg, E. Modern Developments of the Meridian Circle. New Problems in Astrometry. pp243-255. W. Gliese, C.A. Murray, & R.H. Tucker, ed. Proceedings of I.A.U. Symposium 61, Perth, Australia, August 13-17, 1973. Dordrecht: Reidel, 1974.
Hogan, Joseph T. Celestial Nomograph -- How to Make and Use It, S&T 6:11 (#71) (1947) 12.
Hogg, Helen S. Memories of the Plaskett Era of the Dominion Astrophysical Observatory, 1931-1934. Journal of the Royal Astronomical Society of Canada 82: 6 (Dec. 1988) 328-335
Hohenstein, Jack. Precision Technique for Measuring Asymmetric Distortions in Optical Lenses. Review of Scientific Instruments 37:8 (1966) 1007-1010. (stereocameras for bubble chambers)
Holden, Edward S. The Beginnings of American Astronomy. Science 5 (#129) (June 18, 1897) 929-935.
Holden, Edward. Description of the Buildings and of the Water Supply. pp34-42; Publications of the Lick Observatory; Volume 1, 1887. (ADS PLO v1 pp47-56)
Holden, Edward & J.M. Thome. The National Observatory of the Argentine Republic. Publications of the Astronomical Society of the Pacific 4 (1892) 25-30.
Holden, Edward, ed. Publications of the Lick Observatory. Volume 1, 1887. pp6-8, Simon Newcomb, Report of Professor Newcomb, The Glass Discs. pp13-23, S.W. Burnham, Report on Mt. Hamilton. pp34-42, Edward Holden, Description of the Buildings and of the Water Supply. pp50-54, David Todd, Observations of the Transit of Venus, 1882. pp59-77, Edward Holden, Description of the Astronomical Instruments.
Holden, Edward S. Recent Progress in Astronomy. The North American Review 131:4 (Oct. 1880) 375-383. Strasburg Obs., p383.
Holden, E. S. Telescope for eclipse Aug. 1896 (Japan) Publications of the Astronomical Society of the Pacific 8 (April 1896) 91.
Holden, E.S. The University Observatory of Strassburg. Publications of the Astronomical Society of the Pacific 3 (Sept. 1891) 279-282.
(Holden) Campbell, W.W. Edward Singleton Holden, Sc.D., LL.D., LITT.D. Publications of the Astronomical Society of the Pacific 26 (April 1914) 77-87.
(Holden) Osterbrock, Donald E. Holden, Edward Singleton. American National Biography Online Feb. 2000. Oxford University Press. http://www.anb.org/articles/13/13-00772.html Nov 25 2003.
Holden, Mary. The womans almanack. London, 1689.
Holder, William. A discourse concerning time with application of the natural day and lunar month and solar year as natural, and of such as are derived from them, as artificial parts of time, for measures in civil and common use. London: Printed by J. Heptinstall for L. Meredith, 1694. 120pp. (WH 1616-1698.)
Holeman, John. Characteristics of Many Kinds of Eyepieces. Sky & Telescope 7:5 (March 1948) 128-130. (Richland, Wash.)
Holland, R. Notes shewing how to get the angle of parallax of a comet or other phaenomenon at two observations. Oxford: Printed by L. Lichfield for Richard Davis, 1668. R.H.: 1596-1677.
Holland, Samuel. Astronomical Observations Made by Samuel Holland, Esquire, Surveyor-General of Lands for the Northern District of North-America; and Others of His Party. Philosophical Transactions 59 (1769) 247-252. (Transit of Venus)
(Hollander) Welther, Barbara L. Obituary: Frederick H. Hollander, 1915-2000. Bulletin of the American Astronomical Society 33:4 (Dec. 2001) 1569-1570.
Holmberg, Gustav. Mechanizing the Astronomer's Vision: On the Role of Photography in Swedish Astronomy, c.1880-1914. Annals of Science 53:6 (Nov. 1996) 609-616. http://search.epnet.com/direct.asp?an=6129408&db=aph
Holwell, John. Clavis horologiae; or, A key to the whole art of arithmetical dyalling. London: printed by Will. Bonny, for Tho. Howkins in George-Yard in Lombard-Street, 1686. J.H.:1649-1686?
Hood, Thomas. The Making and Use of the Geometricall Instrument called a Sector. London: Printed by Iohn Windet, and are to solde at the great North dore of Paules Church by Samuel Shorter, 1598.
Hood, Thomas. The use of the celestial globe in plano, set foorth in two hemispheres ... Set foorth by Thomas Hood. Imprinted at London: By John VVindet for Tobie Cooke, 1590. 2nd ed.
Hood, Thomas. The use of the two Mathematicall Instruments, the crosse staffe and the Jacobs Staffe. Imprinted at London: By Richard Field for Robert Dexter, 1596.
Hooke, Robert. An attempt for the explication of the phaenomena observable in an experiment published by the Honourable Robert Boyle, Esq., in the XXXV experiment of his epistolical discourse touching the aire by Hooke, Robert, 1635-1703. London : Printed by J.H. for Sam. Thomson ..., 1661. (missing figures. experiment 'spring of air' not so named)
Hooke, Robert. An attempt to prove the motion of the earth from observations made by Robert Hooke. London: Printed by T.R. for John Martyn ..., 1674. 28pp., 5 plates.
Hooke, Robert. Animadversions on the first part of the Machina coelestis of the honourable, learned, and deservedly famous astronomer Johannes Hevelius, consul of Dantzick together with an explication of some instruments made by Robert Hooke. London: Printed by T.R. for John Martyn ..., 1674. 78pp. (R.H. 1635-1703.)
Hooke, Robert, 1635-1703. Conamen ad motum Telluris probandum ex observationibus astronomi celeberrimi Roberti Hooke Regiae Societatis, apud Londinenses, Socii. Oxford, 1679.
Hook, Mr. A Contrivance to Make the Picture of Any Thing Appear on a Wall, Cub-Board, or within a Picture-Frame, &c. in the Midst of a Light Room in the Day-Time; Or in the Night-Time in Any Room That is Enlightned with a Considerable Number of Candles; Devised and Communicated by the Ingenious Mr. Hook, as Follows. Philosophical Transactions 3 (1668) 741-743.
Hooke, Robert. A description of helioscopes and some other instruments made by Robert Hooke, Fellow of the Royal Society. London: Printed by T.R. for John Martyn ..., 1676. 32pp., 2 plates.
(Hooke) A Description of an Instrument for Dividing a Foot into Many Thousand Parts, and Thereby Measuring the Diameters of Planets to a Great Exactness, &c. as It Was Promised, Numb. 25. Philosophical Transactions 2 (1667) 541-556.
Hooke, Robert. Lampas, or, Descriptions of some mechanical improvements of lamps & waterpoises. London: Printed for John Martyn, 1677. R.H.: 1635-1703.
Hooke, Robert, 1635-1703. Lectiones Cutlerianae, or, A collection of lectures, physical, mechanical, geographical, & astronomical. London: Printed for John Martyn, 1679.
Hooke, Robert, 1635-1703. Lectures and collections. London: Printed by J. Martyn, 1678.
Hooke, Robert. Micrographia, or, Some physiological descriptions of minute bodies made by magnifying glasses with observations and inquiries thereupon. London: Printed by Jo. Martyn and Ja. Allestry, 1665. 246pp, 37 plates.
Hook, Mr. More Wayes for the Same Purpose, Intimated by M. Hook. Philosophical Transactions 2 (1667) 459. (measuring diameters of planets, no details)
Hook, Mr. Observations Made by Mr. Hook, of Some Spots in the Sun, Return'd after they Had Passed Over the Upper Hemi Sphere of the Sun Which is Bid from Us; According as Was Predicted. Philosophical Transactions 6 (1671) 2295-3001. (drawing sun spot)
(Hook) The Particulars of those Observations of the Planet Mars 1665. Philosophical Transactions 1 (1665-1666) 239-242.
Hook, Mr. Some Observations Lately Made at London Concerning the Planet Jupiter. Philosophical Transactions 1 (1665) 245-247. (60 foot glass, Jupiter to 2 degrees, & Saturn, illustrated)
(Hooke) Book review; Animadversions on the First part of the Machina Caelestis of the deservedly famous Astronomer Johannes Hevelius, &c. together with an Explication of some Instruments, Robert Hook. pp215-216. An Accompt of Three Books. Philosophical Transactions 9 (1674) 209-216.
(Hooke) Book review. A Description of Helioscopes. An Account of Two Books. Philosophical Transactions 10 (1675) 435-442.
Hoppen, K. Theodore. The Royal Society and Ireland: William Molyneux, F.R.S. (1656-1698). Notes and Records of the Royal Society of London 18:2 (Dec. 1963) 125-135.
Hopton, Arthur. Speculum Topographicum, or the Topographicall Glasse. London, 1611. 203pp. (.pdf) Reprint, 1974, Amsterdam, Theatrum Orbis Terrarum. (surveying; p182 on the telescope.)
Horne, Douglas. Optical Instruments and Their Applications. Bristol: Adam Hilger, 1980. pp47-66, telescopes.
Horne, Douglas. Optical Production Technology. Bristol: Adam Hilger, 1972. pp192-217, Large Objective Lenses and Mirrors. (revised, 1983)
Horne, D.F. Optical scales, reticles, gratings, masks, and standards. Applied Optics 20:23 (December 1, 1981) 4000-4008.
Horne, D.F. Spectacle Lens Technology. Bristol: Hilger, 1978. (history glass, lens manufacture, coating, contact lenses)
Horrocks, Jeremiah. Opera Posthuma. Londini: 1678.
Horrocks, Jeremiah. Opuscula Astronomica. London, 1678. JH 1617?-1641.
Horský, Zdenk. Astronomy and the art of clockmaking in the fourteenth, fifteenth and sixteenth centuries. Vistas in Astronomy 9 (1967) 25-34.
Hoskin, Michael A. Apparatus and ideas in mid-nineteenth-century cosmology. Vistas in Astronomy 9 (1967) 79-85.
Hoskin, Michael. The Cambridge Illustrated History of Astronomy. Cambridge: C.U.P., 1997. pp152-3, The reflecting telescope. pp273-276, Developments in telescope making (with David Dewhirst). pp142-143, The refracting telescope in the Seventeenth century (J.A. Bennett).
Hoskin, Michael. Stellar Astronomy (to the Rise of Astrophysics in the Mid-Nineteenth Century). Encyclopedia of Astronomy and Astrophysics. www.eaa.iop.org November 2000.
Hoskin, Michael. The Value of Archives in Writing the History of Astronomy. Library and Information Services in Astronomy III. A.S.P. Conference Series 153 (1998) 207-211.
Hough, G.W. Description of an Observing Seat for an Equatorial. Monthly Notices of the Royal Astronomical Society 41 (1881) 309-312. (illustration)
(Hough) Osterbrock, Donald E. Hough, George Washington. American National Biography Online Feb. 2000. Oxford University Press. http://www.anb.org/articles/13/13-00794.html Nov 25 2003.
Houghton, J.L. An improved spherometer. Journal of Scientific Instruments 18:8 (August 1941) 167-168.
Houghton, J.L. Optical and Allied Instruments. The Physical Society's Thirtieth Annual Exhibition. Journal of Scientific Instruments 23:2 (February 1946) 29-31. (Coated lenses in binoculars & instruments. G.E. research, disappearance range gauge attachment to binoculars, disappearance range found as multiple of actual range.