Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 448
Fig. 3. Joyce Rapid MovingScrew Jack. Fig. 4. Norton Bail-Bearing RatchetScrew Jack. hold of the lever. To lower it take hold of one of thehandles with the left hand, and inclining the jack toan angle of about forty-five degrees, with the otherhand holding the lever, let the screw down. The jack…
Locomotives
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