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Arkirecto Construction Sets

Arkirecto was a constructional system used to make buildings and other models. It was made in the UK during the mid 1930s

Manufacturer / Distributor

Arkirecto Ltd., Carlton House, Regent Street, London, SW1, UK

Info from the Metal Constructional Systems Database for ARKIRECTO

System Type
Buildings and Non-Meccano type()
United Kingdom
1934 to 1936
1/4x40 (see comment *1)
Boss Type
collet fixing
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
Hole Pitch (Spacing) (mm)
12.7 (multiples of value shown, including half.)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
3.1 (see comment *2)
Diameter of Axle Rods(mm)
3.1 (see comment *3)
Types of Nuts and Bolts
Nuts: --
Bolts: --
Material/Finish of Nuts and Bolts
--  --
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Sets: mechanical, architectural & combined. Parts push/clip together; Collet fixed Wheels. Most parts stamped ARKIRECTO. *1 for Collet. *2*3 3.25; 2.6 also reported.

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

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Below there are manuals/leafets which can be downloaded by clicking on the appropriate image.

An Arkirecto instruction manual.