File contains correspondence and contracts from 1914 to 1937 related to the installation of doors and windows in buildings at Kodak Heights. Also includes a detailed letter regarding paper drying systems at various Kodak plants, a discussion pertinent to the company's window installation schedule. Correspondents include Canadian Kodak Co., Ltd., Eastman Kodak Company, National Skylight and Ventilation Co. (Rochester), The A.B. Ormsby Company, Ltd. (Toronto), Steel & Radiation, Ltd. (Toronto), Architectural Bronze & Irons Works (Toronto), and Associated Factory Mutual Fire Insurance Companies.