lB, of superior qual steam pump without its consequent wear Hall's Patent Improved Yokes. itv, on hand, and finishing. For sale low. For Descrip- and care. No machinery aboutit. Nothing tion and Price address NEW HAVEN MANUFACTOR. to wear out. Will pump gritty or muddy WR0UGHT-IR0N TUBES ING CO.… … For Machinery of every variety. Gray's Patent Double Car Axle ALSO SCIENCE RECORD Bridge and Root Bolts. STEEL & IRON SET SCREWS < A specialty. Also, Small Articles I FOR for Patentees, in great numbers, at Lathe. 1873. No. 145 East St., New Haven, Conn A Compendium of the Scientific Progress and…
Patents · Improved · Consists · Bolt · Scientific American · Water · Absolute temperature · Swing bar · Cubic foot · Rotary blower · Lower side · Cubic feet · Horse power · Latent heat · Steam engine
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