A Treatise On Mathematical Instruments Including Most of the Instruments Employ
A Treatise On Mathematical Instruments Including Most of the Instruments Employ
J F John Fry Heather
The book A Treatise On Mathematical Instruments Including Most of the Instruments Employ was written by author J F John Fry Heather Here you can read free online of A Treatise On Mathematical Instruments Including Most of the Instruments Employ book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On Mathematical Instruments Including Most of the Instruments Employ a good or bad book?
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Herschel, his telescope, 84. Horizon, artificial, 121. Huyghens, his aerial telescope, 81 ; his eye-piece, 82. Land chain, 92. Lenses, various forms of, and effects produced by them, 70; their focal lengths defined, 72 ; focal length of a convex lens practically deter- mined, 72 ; images formed by len- ses, 73. Level, spirit, 96; the T level, 97; its adjustments, 101 ; Troughtou's level, 104; Gravatt's level, 105; water level, 112; reflecting level, 113. Levelling staff, 104. Levelling, remarks... on, 106 ; for sec- tions, 108 ; field-book, 109. Light, pencils of, defined, 67 ; chro- matic dispersion of, 72. Linear measures, table of, 92. Marquois's scales, 42. Mean proportional found, 58. Micrometer, 47. Microscopes, refracting, described, 76 ; their magnifying powers deter- mined, 79 ; reflecting, described, 80 ; the reading microscope de- scribed, 160; its adjustments, 161 ; the solar microscope, 88. Mirrors, glass, secondary images formed in them, 75. Mounting, varnishing, &c, paper and drawings, 65.
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