mputations in the following notes are by students to be moved from place to place about a field in which hay curely locked, so that they cannot accidentally become un- of Vassar College. Although merely approximate, they will has been cut, and bale the hay as it lies in the windrows, hooked. enable… … moon will pass east of Mars and below the planet in alti- mills having a crank motion. HAINES' SELF-LOCKING HOOK. tude. Mr. Samuel Huber, of Danville, Pa., has patented a plow Jupiter. colter to be attached to the inner or furrow face of the plow Fig. 1 shows the hook in its normal condition, and…
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