For simple, continuous welds, an automatic welding machine was three to six times as fast as an expert manual welder.63 Automatic welding was ... tools, such as lathes, were the first programmable automatic machines, since one could easily change the master cam controlling the machine. ... 8a9. 77 Underhill, pp. 174a175. 78 Committee 190 Chapter 5 Postwar Recovery and the Great Depression.
|Title||:||Dawn of the Electronic Age|
|Publisher||:||John Wiley & Sons - 2009-05-06|