![Conversion. Toy factory. Skillfully operating this massive press, a worker stamps out part of a filter box essential to the armed forces. Before conversion of this machine, metal toys were stamped out. The change over consisted chiefly of new dies. Keystone](http://www.collectingkeystone.com/wp-content/uploads/2014/03/Conversion.-Toy-factory.-Skillfully-operating-this-massive-press-a-worker-stamps-out-part-of-a-filter-box-essential-to-the-armed-forces.-before-conversion-of-this-machine-metal-toys-were-stamped-out.-The-change-o-150x150.jpg)
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, Howard R.
Library of Congress
The History of Keystone Manufacturing Company From 1919 to 1967
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, Howard R.
Library of Congress