 | United States Army Service Schools. Ft. Leavenworth, Kansas - Military topography - 1895 - 318 pages
...by plunging the telescope. Any error being doubled with each revolution. To ADJUST THE STANDARDS, or To make the Horizontal Axis of the Telescope perpendicular to the Vertical Axis of the Instrument. In order that the intersection of the wires may trace a vertical line as the telescope is moved up... | |
 | Edwin Alvin Root - Military topography - 1902 - 458 pages
...any error being doubled with each revolution. 3i> ADJUSTMENT. — To adjust the standards — *. e., to make the horizontal axis of the telescope perpendicular to the vertical axis of the instrument. In order that the intersection of the wires may trace a vertical line as the telescope is moved up... | |
 | Charles Blaney Breed, George Leonard Hosmer - Surveying - 1906 - 564 pages
...vertical axis shall not alter its position. ADJUSTMENTS OF TRANSIT 59 73. ADJUSTMENT OF THE STANDARDS. — To make the Horizontal Axis of the Telescope Perpendicular to the Vertical Axis of the Instrument. (See Fig. 32.) Set up the transit and sight the vertical cross-hair on a high point A, such as the... | |
 | Charles Blaney Breed, George Leonard Hosmer - Surveying - 1906 - 566 pages
...condition is that the vertical axis shall not alter its position. 73. ADJUSTMENT OF THE STANDARDS. — To make the Horizontal Axis of the Telescope Perpendicular to the Vertical Axis of the Instrument. (See Fig. 32.) Set up the transit and sight the vertical cross.hair on a high point A, such as the... | |
 | Howard Chapin Ives, Harold Ezra Hilts - Surveying - 1906 - 158 pages
...(a) To make the line of collimation perpendicular to the horizontal axis of the instrument; and (6) to make the horizontal axis of the telescope perpendicular to the vertical axis ot the instrument. (a) To make the line of collimation perpendicular to the horizontal axis of the... | |
 | Harold Ezra Hilts - Surveying - 1906 - 166 pages
...(a) To make the line of collimation perpendicular to the horizontal axis of the instrument; and (6) to make the horizontal axis of the telescope perpendicular to the vertical axis ot the instrument. (a) To make the line of collimation perpendicular to the horizontal azi.s of the... | |
 | American School (Chicago, Ill.), Alfred Edward Phillips - Surveying - 1907 - 232 pages
...the second point, the horizontal cross-hair is in adjustment. If not, carefully center this tjiird point, bisect the distance between the second and...until accurately adjusted. 3d. To make the horizontal a.rin of the telescope perpendicular to the vertical axis of the instrument. To test, set up the instnmieut... | |
 | John Butler Johnson - Surveying - 1910 - 992 pages
...should be repeated as a check. FIG. 43. — Collimation Adjustment. 75. Third. The Standard Adjustment. To make the horizontal axis of the telescope perpendicular to the -vertical axis of the instrument,. (See Fig. 44.) With the transit levelled sight on some high point, as a steeple S, lower the telescope... | |
 | United States. War Department - Military field engineering - 1912 - 524 pages
...RR-Reticle screws. Y.. Support. — D Addendum, 1907 Fi9. 60a 22390°— 12 5 81 3d adjustment. — To make the horizontal axis of the telescope perpendicular to the vertical axis of the instrument: The instrument leveled, lay the telescope on a point at the top of a nearly vertical line, such as... | |
 | United States. Army. Corps of Engineers - 1912 - 580 pages
...RR-Reticle screws. Y— Support. — D Fig. 60 Addendum, 1907 Fig. 60a 22390°— 12 6 81 3d adjustment. — To make the horizontal axis of the telescope perpendicular to the vertical axis of the instrument: The instrument leveled, lay the telescope on a poift at the top of a nearly vertical line, such as... | |
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To make the line of collimation perpendicular to the horizontal axis of the instrument; and (6) to make the horizontal axis of the telescope perpendicular to the vertical axis of the instrument. 
