This folder contains correspondence regarding the commercial and technical development of the kinetograph and other motion picture equipment. Included are letters about the exhibition of the kinetograph at the World's Columbian Exposition in Chicago and a kinetograph lecture at the Brooklyn Institute of Arts and Sciences. There are also letters about kinetograph sales agencies and the purchase of film stock.

All of the documents have been selected.

Related documents can be found in D-93-48 (West Orange Laboratory).