Cooling and filtering of compressed air

A device for cooling and filtering of compressed air: No. 8479. Declared.05/07/1902.Issuance on 12/31/1903 / A. Borzig.- [B.M .: B. and., 1903].-3459-3460 p., 1 liter.Il .. -Description of the device for cooling and filtering compressed air.To the privilege of a foreign company: A. Borzig (A. Borsig), in Tegel, near Berlin, declared on May 7, 1902.Group X. No. 8479. December 31, 1903.I. "A. Borzig", company (Tegel) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS