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.

  • Frederick Walter Simms
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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    i TABLE VII. | Reduction to the Meridian. Argument = the Hour Angle from the Meridian. a ee | | | | f |. | | 8 15™ 16™ 17™ 18 ]gm Y(jm Q)|m PAPAL —_—— i | | | 10 | 2189 | 2487 | 2804 | 3140 | 3495 | 3869 | 4262 | 4674 | 11 2194 | 2492 | 2809 | 3146 | 3501 | 3675 | 4269 | 4681 | 5112 | 5562 12 | 2198 | 2497 | 2815 | 3151 | 3507 | 3882 | 4275 | 4688 13° | 2203 | 2502 | 2820 | 3157 | 3513 | 3888 | 4282 | 4695 14 | 2208 | 2507 | 2826 | 3163 | 3519 | 3695 | 4289 | 4702 —— | | | | S| | Oe | —_S__ SS /_ Ss 6 | | | —_—_——_—_. | | | Ss | —_ eee ee ee