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Scientific American, Vol. 100, No. 18 (May 1909) (1909)

leaf 12

An illustration from Scientific American, Vol. 100, No. 18 (May 1909), 1909, leaf 12
Scientific American 34i May i, 1909. … called upon and does it surely, quick- Stamp, time, O. E. Perry 91H,U'<2 I scale, perfectly with, our special switch, board In the all users of Mechanics* Tools. er and without noije, smolie, dirt or offen- _ Stanchion, cattle, C. Norlie 918,582 I circuit. Ten years actual service with over 36,000…

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