Intrusion Machine
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“The principal working parts of the apparatus are the sheet of boiler plate a (fig. 100), the cylinder c, the piston head p, the screw s, and conduit plate d...f, frame.” -Walcott, 1901
Keywords
intrusion machine, geology machine, geological equipment, machine parts, machine cross section, rock intrusionGalleries
Miscellaneous Industrial MachinerySource
Walcott, Charles D. Annual Reports of the Department of the Interior (Washington, DC: Government Printing Office, 1901)
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