Original old vintage catalog ROYAL VENTILATOR COMPANY of Philadelphia, PA.  Double Cone Damper, Glass Top, Rectangular and square, Smoke Jack, Insect proof and Bird proof.  Made of galvanized steel, c ... (more) 16.50 Available from:

royal ventilator company 1931 double cone damper glass vintage catalog

-25%
royal ventilator company 1931 double cone damper glass vintage catalog

Description:

Original old vintage catalog ROYAL VENTILATOR COMPANY of Philadelphia, PA.  Double Cone Damper, Glass Top, Rectangular and square, Smoke Jack, Insect proof and Bird proof.  Made of galvanized steel, copper, toncan metal, Armco, iron.  Disbound from a large 1931 construction book, this unique one page technical data specification sheet would display beautifully matted and framed. Slight damp stain on outer edge. It would be a marvelous addition to your industrial engineering library.
Category: Roofing Catalogs
Product Code: z903
Brand:: Royal Ventilator Company
Availability: In Stock
Dimensions: 11in  x  8in
Views: 3

$22.00  $16.50
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Save: -$5.50 (25% off)