Conversion. Toy factory.

Keystone Mfg. Co., Dorchester, Mass. Feb., 1942.  Conversion of the machines from production of metal toys and motion picture projectors to radio filter boxes for jeeps and tanks. Photographer: Hollem,…

Conversion. Toy factory.

Keystone Mfg. Co., Dorchester, Mass. Feb., 1942.  Conversion of the machines from production of metal toys and motion picture projectors to radio filter boxes for jeeps and tanks. Photographer: Hollem,…

Keystone Mfg. Building

This is the Hallet and Davis building at 151 Hallet street.  The building was vacated by Hallet and Davis in 1929.  Keystone moved into the building in 1942.