Original 1941 doors trade vintage catalog for the MERCHANT & EVANS COMPANY.  Main office and plant was located at 2035 Washington Avenue, Philadelphia, PA. (Established 1866).

Manufacturers of Almetl Fire Doors and Star Roof Ventilators.

M & E  'Almetl'  'Labeled'  Fire Doors, were made entirely of non-combustible materials and furnish a high degree of resistance to fire and transmission of heat for long periods of time. Heavily galvanized crosslaid corrugated steel sheets provide chambers for free circulation of air at all times, preventing condensation and corrosion. The lightest and most rigid door made, hence the easiest and most certain to operate. They harmonize with any style of architecture. 

The 'Star' Roof Ventilator is a scientific combination of ejector and siphon principle applied to stationary roof ventilators, which in conjunction with large exhaust outlets protected to defy the elements, gives a maximum of efficiency at a minimum of investment cost.

Has product images, description and applications provide product details.

Unbound from a large rare 1941 Industrial Catalog, this unique old one-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro industry library.