ward and expanding the of the machine; Fig. 2 represents a section of the compress- orator. If a well made man be extended on the ground, his arm at same. On the link and below the collar is a screw thread, ing cylinders. Motion is imparted to a forked rod which is right angles with the body, a… … elements, but the whole shoulder by the spring, e, GUILD & GARRISON'S AIR COMPRESSOR.-Fig. 1. sixty-two, of which the uni- which surrounds its stem. verse is made, have their At d is the air outlet. When the piston makes an inward stroke, its valve, I, of essential basis in the four substances,…
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