Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 382
1542. ARTIFICIAL LEG AND FOOT.—Most ingenious combinations of movements are made inproducing artificial limbs, not easily explained with-out a model. … 1543. MEAN TIME SUNDIAL.—Thelength of the stile is made to just cover theentire range of the suns altitude at the dis-tance of the scale on the hour circle. Itsshape and size to be proportionate to the sunsequation of time as marked on the scale.When the sun is fast the reading should be onthe…
Mechanical movements
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