Steam Engine
CDV-format albumen print showing a steam engine, perhaps a model, by A. J. Brown, England, circa 1875. With reverse imprint reading "A. J. Brown, Chemist and P... /   $160.   View details...
Machine Politics, Chicago
Four unusual warm-toned printing-out prints depicting early voting machines in operation, circa 1900, salemans samples for the International Voting Machine Comp... /   $450.   View details...