Wood Systems. Bulletin No.1085. Integrating Switchboard Wattmeters Type K, Form SAC April 1, 1908
$20 · Offered by Kuenzig Books
Fort Wayne, Indiana: Fort Wayne Electric Works 1908. 4 pages, stapled and two-hole punched. 8 x 10 1/2 inches. Page edges trimmed and then stained red. Good. Staplebound. 27158 The second edition of this bulletin. Illustrated. Discusses the advantages of this wattmeter specifically designed for use in switchboards.
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.