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 138
the elevation of the points determined by stadia when referring to bench mark? 27. Upon what does the accuracy of the elevations of points depend? WAR DEPARTMENT COMMITTEE ON EDUCATIONAND SPECIAL TRAINING SURVEYING JOB No. 122 PAGE 3 28. 29.30. Where is the greatest error in measuring vertical… … <^ Fig. 22. 31. What is the stadia reduction table? 32. How does the use of this table materially assist in stadia work? 33. Why is it good practice to examine the graduations on stadia rod before attempting to read intercepts on telescope? 34. In reading stadia why should the lower stadia wire…
Surveying · Military topography · Topographical drawing
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