Original old vintage catalog GRINNELL COMPANY of Providence, RI. Thermolier Unit Heaters and Thermoflex Heating Specialties. Layouts Types and Models, Dimensions, List Prices and Weights for Thermolier Industrial Type and Factory Type, Application of Velocity Nozzle List Prices, Performance Curves, Tables of Capacities, Connections, Electric Wiring Diagrams, Automatic Control, Motor Specs. Disbound from a large 1931 construction book, these unique 38 page technical data specifications sheets contain a small amount of residual glue, and pages are loose. Slight damp stain on outer edge. It would make a sensational addition to your industrial engineering library.
- SKU z620
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