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Up for sale is a rare, comprehensive piece of American industrial history: an original vintage ca. 1970s Weil-McLain Hydronic Division Master Product Catalog Binder, compiled straight from Michigan City, Indiana. This substantial trade volume serves as an exceptional historical archive of mid-century residential, commercial, industrial, and institutional cast-iron hydronic heating systems.
The catalog is comprised of 25 distinct, highly technical specification pamphlets and brochures securely bound together inside a heavy-duty, textured dark vinyl screw-post binder decorated with the classic bold orange "W-M" corporate emblem.
Comprehensive Systems & Literature Covered Inside:
- Package Gas Heating Units (Including Type P-CG Series 5, CG, and CGM systems)
- Residential, Commercial, and Industrial Oil-Fired and Gas-Fired Boilers
- Therma Trim Baseboard Panels (Features 6 distinct electric convector baseboard models accompanied by striking mid-century lifestyle illustration art)
- Full Net Load Ratings, BTU/Hr capacities, dimensional diagrams, and installation mechanics approved by the Institute of Boiler & Radiator Manufacturers (I=B=R).
Historical Material Significance:
For safety historians, vintage mechanics, and architectural restoration experts, this catalog serves as an important primary document. The technical literature contains explicit structural schematics and installation specifications detailing the use of asbestos rope to create airtight gaskets and section seals for various heavy-duty boilers.
Condition Details:
Very good vintage trade condition! The interior catalog pages and individual pamphlets remain remarkably clean, smooth, and bright with deep colors, dark text printing, and minimal signs of workshop handling. There is absolutely NO personal technician handwriting, ink notes, or heavy grease smudges on the interior pages. The thick black vinyl outer cover is strong and rigid with clean embossed typography and fully functioning metal binder pins. The back edge and corner margins show typical light age-related surface shelf scuffs, gentle corner softening, and minor edge wear.
A spectacular addition for collectors of industrial trade catalogs, JDM-style architectural preservationists, HVAC historians, or a unique conversation piece for a stylized mid-century modern garage, office, or workshop shelf display. Please see all high-resolution photos for close-up views of the covered systems and cosmetic conditions.
