The mechanical index, 1904. A complete index to the names and addresses of all manufacturers in the United States of mechanical appliances, machinery and tools operated by steam, electricity, water, hand or foot power (1904)
New York, The Industrial Press · leaf 1002
THE MECHANICAL INDEX. 69 LandisGrinding Machines Plain and Iniversal For Cylindrical, Conical and Plane Face Surfaces^ … Samples of Work done on No. i / Machine. /3! ^ >\ Cold drawn steel reduced .005. 25 finished per hour. Accuracy limit .0003^ inch. P^ f 1 ..i 1 r-~- ^ >5 T 1-i 3 ^ /■- Cast Iron—Grinding time 20 minutes, from rougrh casting. Reduced i^diameter, accuracy limit .002, inch. GRINDING MACHINES…
Machinery
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