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Curtain Wall Builder

Curtain Wall Builder was an architectural constructional system for making models of modern buildings to go along with HO scale model railways. The parts are a mixture of painted metal and plastic. They were made in the USA by The Toy Tinkers Division of A.G. Spalding & Bros. Inc., from 1959 into the 1960s.

Manufacturer / Distributor

The Toy Tinkers Division of A.G. Spalding & Bros. Inc., 807 Greenwood Street, Evanston, Illinois, USA

Info from the Metal Constructional Systems Database for CURTAIN WALL BUILDER (Ref:CWB)

System Type
1959 (see comment *1)
Steel / Plastic
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: --
Bolts: --
Material/Finish of Nuts and Bolts
--  --
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

HO scale metal Wall/Window panels clip/slide together. Plastic trim, card flat roof. *1 Copyright date on Model Sheet. *2*3 Only in Panels' bottom flange.

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