Illustrates methods of taping over comparatively level ground, and taping over sloping ground using the technique of breaking chain. Identifies and explains the plumb bob, chining pins, line rods, and hand level. Actual field work as it might occur is commerical land surveying provides the setting for the demonstrations
XD9039 ” Fundamentals of Land Surveying ” 1946 Educational Film on Surveying Techniques
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