Agricultural Extension Bulletin

Agricultural Extension Bulletin

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ssaad Diagrammatic Sketch Tapping the Resistance Unit a€” In order to be able to make use of various lengths of the resistance unit ... flow of approximately 200 amperes for maximum welding heat, and as each 10 feet of resistance is imposed in the circuit the amperage will drop. ... Mounting the Resistance Unit a€” A sheet of asbestos board jieaquot; to %aquot; thick and approximately 20aquot; by 24aquot; will be required toanbsp;...

Title:Agricultural Extension Bulletin
Publisher: - 1938


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