 | Gurley, W. & L. E., Troy, N.Y. - Surveying - 1871 - 218 pages
...Adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before,...which confine the plate to the block, and move the plato under their heads, until one half the error in the position of the sun's image is removed. Again... | |
 | Gurley, W. & L. E., Troy, N.Y. - Surveying - 1871 - 228 pages
...adjuster by the opposite faces of the rectangular blocks, and •again observe the position of the sun's image. •If it remains between the lines as before,...are in adjustment ; if not, loosen the three screws "wtiich confine the plato to the block, and move the plato «fifler their heads, until one half the... | |
 | Aaron Schuyler - Measurement - 1864 - 512 pages
...adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before,...to the block, and move the plate under their heads till one.half the error in the position of the sun's image is removed. Again bring the image between... | |
 | Aaron Schuyler - Measurement - 1864 - 506 pages
...loosen the three screws which confine the plate to the block, and move the plate under their heads till one-half the error in the position of the sun's image is removed. Again bring the image between the lines, and repeat the operation till it will remain in the same situation... | |
 | Horatio Nelson Robinson - Navigation - 1878 - 564 pages
...adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before,...block, and move the plate under their heads, until one half the error in the position of the sun's image is removed. Again bring the image between the... | |
 | Gurley, W. & L. E., Troy, N.Y. - Surveying - 1878 - 284 pages
...between the lines as before, tho leus and plate are in adjustment ; if not, loosen the three screws whicL confine the plate to the block, and move the plate under their heads, until one half the error in the position of the sun's imago is removed. Again bring the image between the... | |
 | Charles Davies - Surveying - 1883 - 578 pages
...of the rectangular blocks, and again observe the position of the sun's image. If it remains bstween the lines as before, the lens and plate are in adjustment...error in the position of the sun's image is removed. Again bring the image hetween the lines, and repeat the operation until it will remain in the same... | |
 | Charles Davies - Surveying - 1883 - 614 pages
...adjuster by the opposite faces of the rectangular blocks, and again observe the position of-the sun's image. If it remains between the lines as before, the lens and plate are in adjust ment ; if not, loosen the three screws which confine the plate to the block, and move the plate... | |
 | Charles Fitzroy Bellows, Francis Hodgman - Surveying - 1886 - 490 pages
...adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before,...error in the position of the sun's image is removed. Again bring the image between the lines, and repeat the operation until it will remain in the same... | |
 | Daniel Carhart - Surveying - 1888 - 536 pages
...adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before,...error in the position of the sun's image is removed. Again bring the image between the lines, and repeat the operation until it will remain in the same... | |
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Then carefully turn the arm half-way over, until it rests upon the adjuster by the opposite faces of the rectangular blocks, and again observe the position of the sun's image. If it remains between the lines as before, the... 
