Original window trade vintage catalog for CALDWELL MANUFACTURING. COMPANY. Main office and factory was located at 56 Industrial Street, Rochester, NY. Manufacturers of Caldwell Spring Sash Balances, for New or Remodeled Buildings. Products include Top Balance for mullion widows. Unbound from a large 1938 architectural catalog, this unique old one page technical brochure would display wonderful matted and framed. Nice graphics. A terrific addition to your retro window sash balance library.