Photograph of Banfield's photoratiograph machine, (sizes 10" x 6" and 8 1/2" x 6 1/ 2") Photographs of Banfield's Photoratiograph Machine 1920
Photographs of Banfield's photoratiograph machine, (sizes 10" x 6" and 8 1/2" x 6 1/ 2") Photographs of Banfield's Photoratiograph Machine 1920
