nded is the inventor’s description of his ma- ting traverse along a guiding quadrant, by means which the men are exposed; and the simple mechan- chine:— of a connecting rod from a crank, whichis driven ical character of the greater portion of the process, ‘‘The mandrel is hollow, aid on the end of… … of the way of the men; nothing be- ficient to fill the same. The tap is ing exposed to the heat except the then removed, the nuts slipped off, and the tap restored to its place for further use. dling. respect for the application of machinery. But the The tap is fitted to a square socke!. in the…
Internet Archive · Public domain (published before 1931). Free to use for anything.