. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. 62 /. W. FLUDE Favorable locations can be found with little trouble. About the only conditions are that the chosen spot should not have high grass and, according to the Standard Table of Distances, it should be not less than 1,300 feet from habitations, 780 feet from any railway, and 390 feet from any public A ground connection makes it a veritable lightning rod and elimi- nates this hazard. In addition, it can be securely locked to prevent theft, can be fairly well ventilated, is weatherp


. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. 62 /. W. FLUDE Favorable locations can be found with little trouble. About the only conditions are that the chosen spot should not have high grass and, according to the Standard Table of Distances, it should be not less than 1,300 feet from habitations, 780 feet from any railway, and 390 feet from any public A ground connection makes it a veritable lightning rod and elimi- nates this hazard. In addition, it can be securely locked to prevent theft, can be fairly well ventilated, is weatherproof, and, finally, is sturdy enough to stop ordinary lead bullets. At this time there are two types of portable magazines in use. One is mounted on a two- and the other on a four-wheel chassis. The. 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 Society of Exploration Geophysicists. Tulsa


Size: 2498px × 1000px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1900, booksubjectpetroleum, booksubjectprospecting