Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 307
. The magnet then attracts the armature E, and thescrew pressing the short arm of the cranked lever A lifts up theweighted end, so that the pawl rests on the next tooth of theratchet B. 11940-. TNIVERSAL SUNDIAL.—The face of the dialto be placed parallel with theequator, as shown by the indexof the… … Section XIV. MINING. Quarrying, Ventilation, Hoisting, Conveying, Pulverizing, Separating,Roasting, Excavating, and Dredging.
Mechanical movements
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