Wood Systems. Bulletin No.1097. Portable Wattmeter Calibrators, Type KM-1, for Alternating Current December 15, 1907. Fort Wayne Electric Works.

Wood Systems. Bulletin No.1097. Portable Wattmeter Calibrators, Type KM-1, for Alternating Current December 15, 1907

Fort Wayne, Indiana: Fort Wayne Electric Works 1907. 4 pages, stapled and two-hole punched. 8 x 10 1/2 inches. Page edges trimmed and then stained red. Good. Staplebound. [27164]


The second edition of this bulletin. Illustrated. Discusses a new tool that can be used to calibrate wattmeters in the field, greatly saving time for operators.

Price: $20.00