File:Geodesy - the eastern oblique arc of the United States and osculating spheroid - by Chas. A. Schott (1902) (14778824891).jpg

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Identifier: geodesyeasternob00usco (find matches)
Title: Geodesy : the eastern oblique arc of the United States and osculating spheroid / by Chas. A. Schott
Year: 1902 (1900s)
Authors: U.S. Coast and Geodetic Survey Schott, Charles A. (Charles Anthony), 1826-1901
Subjects: Arc measures.
Publisher: Washington : G.P.O.
Contributing Library: Penn State University
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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erted in a bowlder by G. A. Fairfield in 1851, and re-marked in 1853 by B. F. West. The poleplaced over the mark was observed upon from Mount Independence in 1849, from Ossipee in 1851, and from Sabattus in1853, but only roughly. The observations from Mount Pleasant in 1851 and from Gunstock in i860, however, were quitesatisfactory. In 1877 C. H. Sinclair vLsited the station and under the direction of Assistant R. D. Cutts connectedgeodetically the several eccentric station marks since 1873 and again, in iSSo and 1881, those used by Prof. E. T. Quimbyin his survey of the State of New Hampshire. These last obser\ations have no bearing on the oblique arc, the onlydirection in common being that to Sabattus. Between July 31 and September 13, 1.S82, Assistant Cutts and Aid J. A.McNicol observed horizontal angles at the station in connection with the survey of New Hampshire, b\it included thethree directions to Mount Blue, Gunstock. and Mount Pleasant. The 30:) theodolite was then employed.
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THE MAIN TRIANGULATION. 117 Abstracts of horizonlal directions as ol>scri>e(l and adjusted at tlicprincipat stations between the I-,ppinjrbase net, the Massachusetts base, and the Fire /stand ttase net, /<?//-/AV^—continued. AganienticHS, York County, Maint. Auj^ust 30 to October 10, 1S47. 75 A. D. Bache, observer. direction theodolite No. I Number ofdirection.s. Objects ob.served. ResultiiiK direc-tions fromstation adjust-ment. Approxi-mate prob-able errors. Keducions ResuUinxto sea level. seconds. Corrections• fromfigure ad-justment. Finalseconds. Isle of vShoals o 00 cvj000 ±o-i5 49 Thompson i6 20 22-029 oi4Holt 41 28 13964 0-17 50 Unkonoonuc 83 56 21-852 0-17Patuccawa 88 19 23-555 o-16 51 Gunstock 134 44 12-364 0-13 52 Mount Pleasant 187 02 56-311 0.14Ossipee 188 12 18-168 o-r4 53 Mount Independence 220 23 53-621 0-14Azimuth Ma-k 307 52 25-880 0-17 Circle used in V positions. GunstocI;,* Belknap County, New Hampshire, July ii to August 15, i860 No. 1. G. W. Dean, obs

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U.S. Coast and Geodetic Survey;

Schott, Charles A. (Charles Anthony), 1826-1901
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30 July 2014


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current12:41, 31 August 2015Thumbnail for version as of 12:41, 31 August 20152,800 × 1,880 (898 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
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