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Scientific American, Vol. 50, No. 23 (June 1884) (1884)

leaf 4

An illustration from Scientific American, Vol. 50, No. 23 (June 1884), 1884, leaf 4
nd he tells briefly what he saw: and a ridge projecting from the surface of the disk, parallel The Springfield Pearl Button Company has now had a with and close to the flange. One end of the ridge is united year's life, and if increase of working force is any criterion, to the flange, but the other… … The polishing is mainly done by hand. McCAETER'S CUT-OFF VALVE GEAB. The whole process is very quick, and the method has the DEVICE FOB HOLDING AND GUIDING THE FINGEBS IN great advantage of being immediately adapted to any style thickness projects from the inner surface of the disk, and WRITING. of…

Patented · Iron · Water · Pipe · Valve · Patents · Scientific American · Steel · Side boards · Transverse channel · Cast Iron · Horse power · Wrought iron · Steam pipe · Sulphuric acid · Carbonic acid · Stove pipe

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