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Scientific American, Vol. 94, No. 4 (1906) (1906)

leaf 3

An illustration from Scientific American, Vol. 94, No. 4 (1906), 1906, leaf 3
y a turn of the nut on the threaded bar be- plication irresistibly apart. As shown in another few blows of a muffled hammer on a steel wedge to tween them. Verily, the way of the transgressor must widen the opening. After this, the nitro-glycerine is photograph, the larger sections of the jimmy are… … At the station of the United States Bureau of Fish- plosive into the drilled hole or the widened

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