to a edge of the tin to be bent; and for firmly grasping its was applied for the first time, in 1827, to an instrument minimum the labor of measuring and cutting. edge there are fitted, in shallow recesses on the face of invented by Wheatstone, and designed to render the the former, sliding plates,… … in closed position by a catch, and HAZEN ft MERRILL'S TIN CAN MACHINE. the crank shaft is prevented from BOLESKA'S HORSE COLLAR. being turned in the wrong direc- tion by a catch attached to the main frame, and adapt- The word telephone was used in 184") to designate an be • easily passed over the…
Contained · Patented · Patents · Motors · Scientific American · Large number · Interstitial armatures · Electric light · Express money · Horse power · Potential difference · Sewing machine · Electric power · Glass tube
Internet Archive · Public domain (published before 1931). Free to use for anything.
