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Instruct-O-Scale Construction Sets

Instruct-O-Scale was a simple construction system which used rivets to join girders etc. together to make bridges and other models. It was made in the USA, in around 1946.

Manufacturer / Distributor

Fox Toy Company, Buffalo, New York, USA

Info from the Metal Constructional Systems Database for INSTRUCT-O-SCALE

System Type
Non-Meccano type
known in 1946 (see comment *1)
Aluminium (Alloy)
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
8 (see comment *2)
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)

I Beams, Gussets, etc riveted together to make Bridges & the like. *1 From Ebay. *2 Plus Tools.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

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There are currently no manuals, leaflets or photos etc. available for downloading. If you can supply any, please get in contact with me.