& Belton ................. 724,910 the subject of Modern Machine Shop Tools in a PLATING. concise and comprehensive manner.. Special care has Smelting apparatus, electrical, R. L. Barn- ESTIMATES FURNISHED ON SPECIAL WORK. been taken'to eliminate all matter not strictly pertain- AEG | ees cartesece… … Telegraph key, E. T. Thorpe... - 724,628 4 Cedar Street, New York, = Runabout FORGING OF STEEL Telephone system, J. H. Mason........... 724,594 FRICTION DISK DRILL sea Telephone tiansmitter switch mechanism, C. simple, com- PROMIMIOK:. | teseccie ais dere ios, oes oS eee hina eck os 724,478 By…
Internet Archive · Public domain (published before 1931). Free to use for anything.
