Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 26
e-third the way fromone end. The singletrees arefastened to the short end ofthe pieces, and the longer ends of the two are joined with two bars and a clevis which is attached toa chain running on the under side of the tongue. The chain is keptfrom sagging by several hooks or rings fastened in the… … 6. UNIVERSAL SCREW DRIVER. The handle has a ratchet socket in which thethree-point blade may be inserted for greaterpower or to accommodate special conditions. 7. A section showing the ratchet and pawlsocket for holding the square shank of the bladefor corner work.
Mechanical movements
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