ntview of the machine may be seen three valves which servethe following purposes: The first is used for clampingthe work in the spindle, the next for moving the slideuntil the pinion and gear mesh, and the third for clamp-ing the headstock. A similar movement of these handlesperforms these… … -Davenport spiral bevel gear testing machine skowmg ynirn ui /«. w/io/i. •l—Anolhrr ru-w „f the yrtesting machine plainly showing the three air valves (handles) by which it is controlled 982 NEW VALVE MATERIAL at both ends, with an arrangement for keeping the oil inthe bearings at a constant…
Automobiles · Aeronautics
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-163-71.webp)
