whose free end is pressed upward bya spring, D, arrang- any attention whatever. ed asshown. Meshing with the teeth of the rack is a it 0 This invention has been patented by Mr. A. D. Glace, toothed wheel, F, whose hub is extended on each side SEAM ENGINE. of Rocklin, Cal. and journaled in apertures… … collar, which has been patented by Mr. Patrick Shee- RUSH’S STEAM ENGINE, PHELPS’ SPRING LOCK, han, of Monroe,Wis. Thecollaris formed of two similar parts, having pads like those ordinarily employed, and each having two pistons. Each pair of pistons is con- so that the lock can be operated from…
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