Surveying, with sections on map reading. military sketching and topographic drawing (1919)
United States. War dept. Committee on education and special training. [from old catalog] · Washington · leaf 110
s should realize thatsurveying instruments are delicate machines and therefore must be handledwith care. 1. Has an accurate set-up been made over the tack? 2. Is the instrument now ready for the first adjustment? 3. Has instrument been carefully leveled for the first adjustment? Test the accuracy… … WAR DEPARTMENT R. O. T. C. SURVEYINGCOMMITTEE ON EDUCATION jOB No. iii AND SPECIAL TRAINING PAOE a 6. Do the bubbles still remain in the center of the tube? 7. Will changes of temperature affect size of the bubble? 8. If the bubbles are now displaced in this position, was the plate horizontal in…
Surveying · Military topography · Topographical drawing
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