Series: Photo Department Operations, circa 1900-1930
Physical Description: 142 photoprints from original negatives 
Scope and Content Note: Photographs related to IHC photographic departments and operations: Documentation of the diversity of operations and techniques employed in a large industrial photo department of the period. Masking, highlighting, retouching and labelling techniques; field and studio conditions, motion picture crews. Photographs reveal procedures for the production of material to illustrate corporate advertisements, parts and operators' manuals, posters, catalogs, and educational materials.