masonry

About 1 result found. (Query 0.2928 seconds)

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  "Belly Buster" Hand-Crank Audio Drill - CIA

  http://ciadotgov4sjwlzihbbgxnqg3xiyrg7so2r2o3lt5wz5ypk4sxyjstad.onion/legacy/museum/artifact/belly-buster-hand-crank-audio-drill

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  used the “Belly Buster” drill during the late 1950s and early 1960s to drill holes into masonry for implanting audio devices. After assembly, the base of the drill was held firmly against the stomach while the handle was cranked...