Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892) (14767767944)

Identifier: modernmechanisme00benj (find matches)
Title: Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics
Year: 1892 (1890s)
Authors: Benjamin, Park, 1849-1922
Subjects: Mechanical engineering
Publisher: New York, D. Appleton
Contributing Library: Mugar Memorial Library, Boston University
Digitizing Sponsor: Boston University



Text Appearing Before Image:
w^- Fia. 5.—Sole-shaper.
Text Appearing After Image:
L L. 1 1 1:, 1; - M A I < K I N ( , M A < 1 I 1 N l-_ LETTER-MARKING MACHINE. 479 which were under pressure will have come out from beneath its mold and stopped in frontof the operator; this motion is continuous to the inward movement of the other last and shoe,and both movements are effected by the simple depression of the treadle. The operator thenremoves the shoe that has come from beneath the mold, and replaces it by another, againpressing the treadle to repeat the movements, and so on, thus giving all the shoes that areoperated on uniform shape and style. LETTER-MARKING MACHINE, On the opposite page is illustrated an automaticletter-maridng machine recently adopted by the Post-Office Department of the United Statesfor use in the post-offices. The machine, which is manufactured by the International PostalSupply Co.. of New York, under the patents of G. W. Hey, Emil Laass, M. J. Dolphin, andAu-ust Bertram, combines the merits of speed, effective cancellation, uniform and legi