The Presto clear glass, wide mouth canning jar and lid were manufactured by Owens-Illinois Glass Company. The patent number is included on the lid: Pat. Re. 17562.
Manufactured by Automatic Canning Devices, Inc. in Manitowoc, Wisconsin, this dark aluminum capping machine was cranked by hand with a wooden handle. Patent numbers include 1711336-1780729, 1961650 and others. The machine was used to attach lids...