Spring-factory device

Spring and Frontation device: No. 11914. Supponent.01/15/1903.Issuance 05/31/1907 / J. Westingauz.- [B.M .: B. and., 1907].-1111-1112 p., 1 l.Il .. -Description of the spring-factory device.The privilege of a foreigner J. Westinghouse (G. Westinghouse), in Pittsburgh, in the North American state of Pennsylvania, declared on January 15, 1903 (og. St. No. 15990).Group XII.No. 11914. May 31, 1907.I. Westingauz, J .. 1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS