Treatise on the principal mathematical instruments employed in surveying, levelling, and astronomy : explaining their construction, adjustments, and use. With an appendix, and tables / By Frederick Walter Simms.

  • Simms, Frederick Walter, 1803-1865.
Date:
1844
Catalogue details

Licence: Public Domain Mark

Credit: Treatise on the principal mathematical instruments employed in surveying, levelling, and astronomy : explaining their construction, adjustments, and use. With an appendix, and tables / By Frederick Walter Simms. Source: Wellcome Collection.

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    ASTRONOMICAL INSTRUMENTS. The Principle of its Cansiiennae eBeviy vag ie eevee Ae ee Description of the most aie Ar Sextant . a Sen alew sates Directions for observing with ‘the Reflecting ides M avukeuionte of the Box Sostant © Aim acini Se Btch Se sweets A int tte a Plane Glass fishes ebony AS Method of observing with the Dip Sector: ache Sos vk 6 Siren tye aie The Portable Transit Instrument oxas ss x55 os eotce +s s > olapleh ee The Adjustments of the Transit Instrument . by a Circumpolar Star ..... by two Circumpolar Stars. . by High and Low Star . 2h Method of observing and registering Disavanonn Finding the Error of a Time-keeper .. i Correcting observed Transits for the hate of Collimation . is “ for Error of Level .. os +s for Meridional Deviation . Moon-culminating Stars ......-.... The Altitude and Azimuth Instrument . shat athe oh The Adjustments of the Altitude a Raaaih isin eee To compute the Reduction to the Meridian ................. . by the Azimuth of a Celestial Guan Method of finding the tarts by ki Be fla of J patos, s Satellites. Page 49 ib. 50 52 54 57 58 61 91