1925-1927 ; highway materials ; building products ; skylights ; roof ventilators ; "Robertson Protected Metal (RPM)" for roofing and siding ; "Robertson Process Metal" for industrial building construction ; "Robertson Permanent Forms" ; "Robertson Bonded Steel", a material that looks like wood but is made of steel ; flooring and installation services ; metal gypsum asphalt ; asbestos protected metal ; "Keystone" beam steel flooring ; cellular steel flooring with electrical fittings
Includes:
Trade catalog
Black and white images
Color images
Physical description:
40 pieces; 2 boxes
Language:
English
Type of material:
Trade catalogs
Trade literature
Place:
Pittsburgh, Pennsylvania, United States
Date:
1900s
Topic (Romaine term):
Architectural designs and building materials Search this
Engineering consultants and contractors Search this
Industrial equipment or mechanical machinery (including supplies and components) Search this
Iron and steel products (castings; sheet steel; steel wire; wire rope; pig iron and structural steel products ) Search this
Metalwork products (architectural and ornamental) Search this
Topic:
"Decoration and ornament, Architectural" Search this
