. Deep borehole surveys and problems. Boring. Fig. 13S.—Compass and clinometer. are not accessible. However, it is known to be another application of the orientated drill-stem method, the survey. Fig. 139.—Clinometer and coutact drum. principle being that of the multiple-photograph method wherein one or more pendulums are photographed for each position. It has been widely and successfully. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the or
. Deep borehole surveys and problems. Boring. Fig. 13S.—Compass and clinometer. are not accessible. However, it is known to be another application of the orientated drill-stem method, the survey. Fig. 139.—Clinometer and coutact drum. principle being that of the multiple-photograph method wherein one or more pendulums are photographed for each position. It has been widely and successfully. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Haddock, M. H. (Marshall Henry). New York, McGraw-Hill
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Keywords: ., bookcentury1900, bookcollectionb, bookpublishernewyorkmcgrawhill
