nsists of a metal tube having a spade-like lower block having a groove in which the wire of the ear- This heater is made with a tubular base ring and a end, whereby it may be readily driven into the ground ring is held, by a movable eccentric jaw, against a cor- tubular crown ring, these rings… … SPERL'S STEAM HEATER. REILY'S WIRE TIGHTENER. voir, while another bar is held to slide, to the outer end of which is pivoted a trip lever, shown in detail in the small view. This pipe connects the of diametrically opposite apertures, as shown in Fig. 3, lever is fulcrumed upon a bracket, the upper…
Cotton · Gun · Patents · Contained · Scientific American · Tific american · Square inch · Gun cotton · American supplement · Cigar makers · Free acid · Horse power · Cast Iron · Nitric acid
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