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  1. 1
    Description of the improved achromatic telescope made with brass sliding tubes, by P. and J. Dollond, opticians

    Description of the improved achromatic telescope made with brass sliding tubes, by P. and J. Dollond, opticians

    Veröffentlicht 1800
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  2. 2
    Investigation of the cause of that indistinctness of vision which has been ascribed to the smallness of the optic pencil. By William Herschel, LL.D. F.R.S. Read at the Royal Society, June 22, 1786

    Investigation of the cause of that indistinctness of vision which has been ascribed to the smallness of the optic pencil. By William Herschel, LL.D. F.R.S. Read at the Royal Societ... von Herschel, William Sir 1738-1822

    Veröffentlicht 1786
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  3. 3
    Description of the two feet and half achromatic telescope Made by P. and J. Dollond, in St. Paul's Church-Yard, London. The object-glass of this Telescope is composed of two glasses, one convex of crown glass, and the other concave of white slint glass; the diameter of the aperture is two inches. The plate represents the Telescope on its stand: AA is the wooden tube 2 1/2 feet long. The tube BB, that contains four eye-glasses, to be used for land-objects; and also the tube C, that contains two eye-glasses for astronomical purposes, are to be serewed into the end of the brass tube D. By turning the button a, this tube moves out of the wooden tube to adjust the eye-glasses to the proper distance from the object-glass, so as to render the object distinct. The magnifying power with the eye-glasses for land objects is near 50 times, and with those for astronomical uses it is 80 times. The stained glass b is applied to the eye-tube C to guard the eye in observing the spots on the sun. This glass must be taken off when the eye-tube is used for any other purposes. The vertical and horizontal motions are given to the Telescope by means of the joints at c and d. Description de la lunette Achromatique de Deux Pieds et Demi, Fait pair P. et J. Dollond, dans la Cimitiere de St. Paul a Londres

    Description of the two feet and half achromatic telescope Made by P. and J. Dollond, in St. Paul's Church-Yard, London. The object-glass of this Telescope is composed of two glasse...

    Veröffentlicht 1775
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  4. 4
    Two essays on the nature and wonderful properties of Island Crystal Essay I. Containing, all that has been hitherto delivered in regard to its form, dimensions, and double refraction of light; with the addition of several new experiments with polished parallelopipeds and prisms made of this substance, which discover a various, multiple, and colorific refraction; and exhibit a variety of images of one and the same object. To which is subjoined, a computation of the magnifying power of reflecting telescopes; and a table thereof, from 6 inches to 12 feet in length. The whole illustrated with copper plate figures. By Benjamin Martin

    Two essays on the nature and wonderful properties of Island Crystal Essay I. Containing, all that has been hitherto delivered in regard to its form, dimensions, and double refracti... von Martin, Benjamin 1705-1782

    Veröffentlicht 1774
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  5. 5
    Description d'un nouvel instrument, appellé Equatorial universel, fait par M. J. Ramsden à Londres, avec la Manìcre de l'ajuster pour s'en servir

    Description d'un nouvel instrument, appellé Equatorial universel, fait par M. J. Ramsden à Londres, avec la Manìcre de l'ajuster pour s'en servir von Ramsden, Jesse 1735-1800

    Veröffentlicht 1773
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  6. 6
    On the power of penetrating into space by telescopes with a comparative determination of the extent of that power in natural vision, and in telescopes of various sizes and constructions; illustrated by select observations. By William Herschel, LL.D. F.R.S. From the Philosophical transactions

    On the power of penetrating into space by telescopes with a comparative determination of the extent of that power in natural vision, and in telescopes of various sizes and construc... von Herschel, William Sir 1738-1822

    Veröffentlicht 1800
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  7. 7
    Description and use of the patent military and naval telescope for measuring distances and the extension of objects at sight; by means of a new micrometrical adjustment. Dedicated BY Permission To His Royal Highness the Duke of York. Invented by C. Rand

    Description and use of the patent military and naval telescope for measuring distances and the extension of objects at sight; by means of a new micrometrical adjustment. Dedicated... von Rand, Cater

    Veröffentlicht 1799
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  8. 8
    Directions for making the best composition for the metals of reflecting telescopes Together with a description of the process for grinding, polishing, and giving the great speculum the true parabolic curve. By Mr. John Mudge. Read at the Royal Society, Feb 27. March 6. an 13. 1777

    Directions for making the best composition for the metals of reflecting telescopes Together with a description of the process for grinding, polishing, and giving the great speculum... von Mudge, John 1721-1793

    Veröffentlicht 1777
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  9. 9
    Kurzer Unterricht von der Beschaffenheit und dem Gebrauch der Vergrösserungsgläser und Teleskopien

    Kurzer Unterricht von der Beschaffenheit und dem Gebrauch der Vergrösserungsgläser und Teleskopien von Meyen, Joachim Friedrich 1704-1772

    Veröffentlicht 1747
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  10. 10
    Observations of Miss Herschel's comet in August and September, 1786 By the Rev. Francis Wollaston, LL.B. F.R.S. Read at the Royal Society, Dec. 21, 1786

    Observations of Miss Herschel's comet in August and September, 1786 By the Rev. Francis Wollaston, LL.B. F.R.S. Read at the Royal Society, Dec. 21, 1786 von Wollaston, Francis 1731-1815

    Veröffentlicht 1787
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  11. 11
    Description of a new universal equatoreal, made by Ramsden, with the method of adjusting it for observation. As also instructions for making observations with it

    Description of a new universal equatoreal, made by Ramsden, with the method of adjusting it for observation. As also instructions for making observations with it von Ramsden, Jesse 1735-1800

    Veröffentlicht 1779
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  12. 12
    Description and use of the improved reflecting and refracting telescopes and scale for surveying, &c. By William Green, of Southmolton-Street, Hanover-Square

    Description and use of the improved reflecting and refracting telescopes and scale for surveying, &c. By William Green, of Southmolton-Street, Hanover-Square von Green, William fl. 1778-1790

    Veröffentlicht 1778
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  13. 13
    An essay on the genuine construction of a standard microscope and telescope With the application of a prismatic or catadioptric eye-piece to refracting and reflecting telescopes, by which their lengths are much contracted, their fields of view encreased, and their uses greatly facilitated; particularly in the reflector of Cassegrain's form for celestial observations. By B. Martin

    An essay on the genuine construction of a standard microscope and telescope With the application of a prismatic or catadioptric eye-piece to refracting and reflecting telescopes, b... von Martin, Benjamin 1705-1782

    Veröffentlicht 1776
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  14. 14
    January 1773. Description of a new universal equatoreal, made by Mr. J. Ramsden, with the method of adjusting it for observation

    January 1773. Description of a new universal equatoreal, made by Mr. J. Ramsden, with the method of adjusting it for observation von Ramsden, Jesse 1735-1800

    Veröffentlicht 1773
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  15. 15
    Observatio satellitum Jovis per telescopium, ope machinulæ quæ et observatorem et telescopium portat in mari possibilis. Possibilisque in mari. Demonstrativa Illatio de Longitudine Meridianorum Ex observatione Eclipsium Satellitum Jovis. Exque observatione Stellae cujusdam fixae absque Pendulorum usu. Authore Joh. Petr. Biestero, M.D

    Observatio satellitum Jovis per telescopium, ope machinulæ quæ et observatorem et telescopium portat in mari possibilis. Possibilisque in mari. Demonstrativa Illatio de Longitudine... von Biester, Johann Peter

    Veröffentlicht 1726
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  16. 16
    Sermones in secundo Solenni Academiae Scientiarum Imperialis conventu die I. Augusti anni MDCCXXVI publice recitati

    Sermones in secundo Solenni Academiae Scientiarum Imperialis conventu die I. Augusti anni MDCCXXVI publice recitati

    Veröffentlicht 1726
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  17. 17
    News for the curious a treatise of telescopes, or, an account of the marvelous astronomical discoveries of late years made throughout Europe by the help of telescopes ...

    News for the curious a treatise of telescopes, or, an account of the marvelous astronomical discoveries of late years made throughout Europe by the help of telescopes ...

    Veröffentlicht 1684
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  18. 18
    Astronomy's advancement, or, News for the curious being a treatise of telescopes, and an account of the marvelous astronomical discoveries of late years made throughout Europe

    Astronomy's advancement, or, News for the curious being a treatise of telescopes, and an account of the marvelous astronomical discoveries of late years made throughout Europe

    Veröffentlicht 1684
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  19. 19
    De Vero Telescopii Inventore Cum brevi omnium Conspiciliorum Historia. Ubi de Eorum Confectione, ac Vsu, seu de Effectibus agitur, novaque quaedam circa ea proponuntur. Accessit etiam Centvria Observationvm Microcospicarum

    De Vero Telescopii Inventore Cum brevi omnium Conspiciliorum Historia. Ubi de Eorum Confectione, ac Vsu, seu de Effectibus agitur, novaque quaedam circa ea proponuntur. Accessit et... von Borel, Pierre 1620-1671

    Veröffentlicht 1655
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