"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4266114 | Apparatus for the remote control of mains operated DC and AC welding machines Apparatus for the remote control of mains operated DC and AC welding machines without any additional cable to the working place, comprising a portable regulating device adapted to be connected into the welding current circuit between the electrode or the ... | 05/05/1981 |