Lockwood's dictionary of terms used in the practice of mechanical engineering : embracing those current in the drawing office, pattern shop, foundry, fitting, turning, smiths' and boiler shops, etc., etc. : comprising upwards of six thousand definitions
Lockwood's dictionary of terms used in the practice of mechanical engineering : embracing those current in the drawing office, pattern shop, foundry, fitting, turning, smiths' and boiler shops, etc., etc. : comprising upwards of six thousand definitions
