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Scientific American, Vol. 58, No. 13 (1888) (1888)
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at steps should be taken to prevent the struc- was temporarily sustained on beams and jack screws. In order to tie the bulkhead firmly in position, 3 inch ture from falling about the ears of the occupants. The first steps taken were the building of a bulkhead iron bolts were passed through the… … MILL AND ELEVATOR. © 1888 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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