Special Publications Volume 7

Special Publications Volume 7

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ...Circle used in XXIII positions. Calias, Franklin County, Virginia. June 25 to July 13, 1877. A. T. Mosman, observer. socm direction theodolite No. 114. Probable error of a single observation of a direction (D. and R. ), e, = o"'fi. Circle used in XI positions. Smith Mountain, Pittsylvania County, Virginia. August 6 to September 6, 1877. A. T. Mosman, observer. 50"' direction theodolite No. 114. Probable error of a single observation of a direction (D. and R.), i, = o//'68. Circle used in XI positions. Abstracts of horizontal directions at stations composing the first section of the triangulation south of the transcontinental triangulation, iSj to 1879--continued. Moore, Stokes County, North Carolina. November 7 to December 26, 1876. A. T. Mosman, observer. 35cm direction theodolite No. 10. April 21 to May 31, 1877. Same observer and instrument. Number of directions. objects observed. Pilot Mountain 39 Buffalo Azimuth Mark 40 Cahas 41 Flat Top 42 Smith Mountain Young Poore Probable error of a single observation of a direction (/?. and R.),, = l//-58. Circle used in XXIII positions in 1876 and in XXIV positions in 1877. Buffalo, Floyd County, Virginia. September 25 to October 16, 1876. A. T. Mosman, observer. 35cm direction theodolite No. io. Probable error of a single observation of a direction (/ and A'.), i, = i/'58. Circle used in XXIII positions. Observation equations. 4-6-94(40)-4-25(42) The correlate equations being of a simple character, are not given here. Normal equations. Resulting angles and sides of the first section of the triangulation southwest of the Kent Island base net and extension. Resulting angles and sides of the first section of the triangulation southwest of the Kent...show more

Product details

  • Paperback | 70 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236643771
  • 9781236643773