Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . rests u]ion theneck, but the barstrapped to theforehead or pollgoes by the samename. It is of the, shapeshown in , and is heldin place by bows are held in place by keys which passthrough holes in the bows and rest upon the top of .the yoke ; or, as in the example, the hinged metal-lic plate engaging in a notch in the bow retains thesam
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . rests u]ion theneck, but the barstrapped to theforehead or pollgoes by the samename. It is of the, shapeshown in , and is heldin place by bows are held in place by keys which passthrough holes in the bows and rest upon the top of .the yoke ; or, as in the example, the hinged metal-lic plate engaging in a notch in the bow retains thesame and oljviates tlie use of a key. Fig. 3462 shows a yoke with hanus instead ofhows. The haiiies are pi\-oted at their upjicr ends Fig. Ot- Yoke with HanifS. to the yoke, and fastened at the lower ends by also Yokf,. Oyster-dredge. A rake and drag-net forgathering oysters from the beds. The dredge is Fig. 3463.
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
