Treatise on Mathematical Instruments: Their Construction, Adjustment, Testing and Use Concisely ExplainedVirtue Bros. & Company, 1866 - 185 pages |
From inside the book
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... Goniometer Wollaston's Goniometer ON GONIOMETERS . APPENDIX INDEX 137 141 144 144 151 153 160 182 164 165 168 183 A TREATISE ON MATHEMATICAL INSTRUMENTS . PART I. - ON CONTENTS .
... Goniometer Wollaston's Goniometer ON GONIOMETERS . APPENDIX INDEX 137 141 144 144 151 153 160 182 164 165 168 183 A TREATISE ON MATHEMATICAL INSTRUMENTS . PART I. - ON CONTENTS .
Page 163
... GONIOMETER . THE last instrument to which we shall call attention in this little work , is Wollaston's Goniometer , used for measuring the angles of crystals . The following lucid description of the construction and method of using this ...
... GONIOMETER . THE last instrument to which we shall call attention in this little work , is Wollaston's Goniometer , used for measuring the angles of crystals . The following lucid description of the construction and method of using this ...
Page 164
... goniometer is a small instrument for measuring this angle , geh , of the moveable plates . It consists of a semicircle , fig . 3 , divided into ... goniometer is , however , incapable of 164 MATHEMATICAL INSTRUMENTS . The Common Goniometer.
... goniometer is a small instrument for measuring this angle , geh , of the moveable plates . It consists of a semicircle , fig . 3 , divided into ... goniometer is , however , incapable of 164 MATHEMATICAL INSTRUMENTS . The Common Goniometer.
Page 165
... goniometer is , however , incapable of affording very precise results , owing to the occasional imperfection of the planes of crystals , their frequent minuteness , and the difficulty of applying ... GONIOMETER . 165 Wollaston's Goniometer.
... goniometer is , however , incapable of affording very precise results , owing to the occasional imperfection of the planes of crystals , their frequent minuteness , and the difficulty of applying ... GONIOMETER . 165 Wollaston's Goniometer.
Page 167
... goniometer ; and it is frequently useful to blacken the whole of the planes to be measured , except a narrow stride on each close to the edge over which the measurement is to be taken . " 1 APPENDIX . SINCE this Treatise passed from ...
... goniometer ; and it is frequently useful to blacken the whole of the planes to be measured , except a narrow stride on each close to the edge over which the measurement is to be taken . " 1 APPENDIX . SINCE this Treatise passed from ...
Common terms and phrases
accuracy achromatic adjustment altitude axis azimuth beam compasses bisected breadth bubble called chromatic dispersion clamp coincide colatitude compasses construction correct cross wires described diaphragm distinct vision Ditto ditto divided drawing edge equal error extent will reach eye-piece feet figure fixed focal length given number goniometer graduated half horizontal inches index glass instru instrument intersection IVY LANE latitude lens lenses limb line of collimation line of numbers line of sines logarithmic means measured ment meridian microscope number of degrees object-glass observed paper parallax perpendicular placed plane position primary divisions prism protractor quarter girt radius rays reading reflected image reflector refracting refracting telescopes represent right angles right ascension round secants sector sextant side Slide Rule sliding speculum spherical aberration spirit level square staff station subdivisions tangents telescope theodolite transit transverse distance triangle tube turning vernier scale vertical circle zero
Popular passages
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