Inside Out Library · Explore

Scientific American, Vol. 55, No. 2 (1886) (1886)

leaf 3

An illustration from Scientific American, Vol. 55, No. 2 (1886), 1886, leaf 3
ssion on the person questioned directly with the signal, has several holes, the throw of the lever being determined by attaching the wire at ae —~ +0 ee a proper distance from the fulerum. When the lever FRUIT PULPER. is released at any oneof the signal stands, it permits The object of this… … depressed, a pawl carried upon the end of an arm passes up over as many teeth of a ratchet wheel as are indicated by the numeral of that particular key; the arm carrying the pawl is then drawn down by a spiral P. O. Box 2,015, Denver, Col., is to provide a simple spring and turns the wheel, which…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 55, No. 2 (1886)

More like this