Original laboratory trade vintage catalog for RICHARDSON SCALE COMPANY, was located in Clifton, NJ. Manufacturers of Automatic Weighing Machinery. Hopper Scales for sacking and bulk weighing, Conveyoweighs for bulk and proportioning two or more materials, Liquid Scales, Weigh Larries. Unbound from a large 1931 engineering catalog, this unique old one page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro industrial equipment collection. Slight damp stain on outer edge.