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Scientific American, Vol. 57, No. 12 (September 1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 57, No. 12 (September 1887), 1887, leaf 10
ust be moved 80 dots, and for 4 teeth 60 dots. of the rows of dots, the chances of inaccuracies will It is possible by the exercise of due care in register- only one in four of the dots of a given circle; then after be correspondingly decreased, but in such x case moving the plate and clamping it… … • ••••••••*•« •••••••••••• • • o • •••• ^""•- 710. 1.-AN DTEZPENSIVE INDEX PLATE. © 1887 SCIENTIFIC AMERICAN, INC.

Patented · Plate · Munn · Patents · Scientific American · Coupling · Express money · Coupling hook · Horse power · Standard american · Main building · Otto gas · Storage battery · Address munn · Bell cord

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