By replacing pneumatic tools in railway repair shop of Western road, speed of operations has been increased and cost reduced; hazards are lessened; life of tools is greatly extended; equipment is described and result of test on high-frequency electric reamers and pneumatic reamers is given.
High-frequency portable tools
Ry. Elec. Engr
Railway Electrical Engineer ; 20 , n 6
1929
2 pages
2 Figs.
Article (Journal)
English
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