ing is effected by a worm gearing into a slow as to prevent the detection of any movement, the Insect Life is the name of a new periodical which is to segment on the crane post. The spindle of the worm be hereafter issued at least once a month by the United present level of the water having… … COMBINED TRACTION ENGINE AND CRANE, gonal shaft through the friction clutches. There are There are, however, other changes taking place from of Prof. C. V. Riley, the entomologist, and his assistants. mounted on the diagonal shaft two bevel pinions (both the action of the rivers. The St. Clair is…
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