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Ubilda was a construction system, to make realistic models of mainly vehicles and locomotives using special parts for each model. It was made in the UK, by Burnett Ltd. of Birmingham from 1934 to around 1940 and then post-war by Chad Valley until the early 1950s.

Manufacturer / Distributor

1934-WW2 - Burnett Ltd., 11 Grosvenor Buildings, Steelhouse Lane, Birmingham, UK.(made by Barringer, Wallace & Manners Co. Ltd., Mansfield, Staffs, UK
WW2 to early 1950s - Chad Valley, UK (made by Metal Box, UK)

Info from the Metal Constructional Systems Database for UBILDA (Ref:UBD)

System Type
Non-Meccano type and Road vehicles
United Kingdom
1934 to 1955
5/32W (see comment *1)
Boss Type
no boss
Boss Thread
Diametrical Pitch of Gears
No. of Parts in System
(see comment *2)
Hole Pitch (Spacing) (mm)
(see comment *3)
Diameter of holes in Strips(mm)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)
Material/Finish of Nuts and Bolts
Steel with a Brass finish
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Special parts for range of vehicles, powered by Geared Clockwork Unit, & other models. *1 3/32W on back axle & other threads may be used. *2 All special parts. *3 Multiples of ½", & other pitches.

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