'Other' Constructional and Allied Systems Info & Downloads
Trix[2] (UK) Construction Sets
Trix metal construction system originated in Germany where it was manufactured from 1930 to 1999. It was also manufactured in England from 1931 to 1965. A website dedicated to Trix with lots of photos and manual downloads is http://www.trix-metaal.nl/
Phase [a] - Pre-War (1931-1940)
Manufacturer / Distributor
Trix Ltd., 4 Golden Lane, London EC1, UK
Later: 45-47 Clerkenwell Road, London EC1, UK
Info from the Metal Constructional Systems Database for TRIX [2a] (Ref:TRX2a)
Trix
as TRIX (inc MCX)
United Kingdom
1931 to 1940
Steel
3.5x.8
double-tapped (see comment *1)
3.5x.8 (see comment *2)
33
47
7.8 (see comment *3)
3.6
3.5
3.5 (Screwed Rods or Bolts are used as axles.)
Nuts: hexagonal
Bolts: tapered cheese (slotted)
Steel with a Brass finish
6.5
6.0
Comments
*1-*2 or similar, not all United Kingdom N&B fit Continental ones. *3 Some single tapped. *4 Shortest seen 7.75.
The MCS document for this system is shown below. It can also be downloaded to your computer if desired here
NOTE : If the MCS document does not appear in the window below, then refresh the page.
The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided
Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They can also be downloaded to your computer if desired here
NOTE : If the 'Other Systems Newsletter' pages for TRIX [2a] do not appear in the window below, then refresh the page.
The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided
Below there are manuals/leaflets which can be downloaded by clicking on the appropriate image.

A UK Trix manual Book 1 edition 7 - appears virtually the same as edition 2 apart from the end covers.
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A UK Trix manual Book 1 edition 8 - appears to be virtually the same as the previous editions apart from the cover
Added 14/01/20
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A UK Trix manual Book 1 edition 9. Dated 1939, the cover adverts have no prices. Probably because of the war
Added 14/01/20
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A UK Trix manual Book 2. Probably the first edition as there is no price on the front cover
Added 14/01/20

A UK Trix manual Book 2 - a later edition - appears virtually the same as the earlier edition apart from the end covers. Thought to be of a similar date to Book 1 edition 7.
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A UK Trix manual Book 2. Same as the previous edition except that there are no prices on the cover or adverts. Probably due to the war.
Added 14/01/20

A UK Tricy Trix manual for electrical models. Same as precious except that the manual is priced at 3d.
Added 14/01/20
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A UK Tricy Trix manual for electrical models. Same as precious except for the rear cover.
Added 14/01/20
Phase [b1] - Post-War (1946-1960)
Manufacturer / Distributor
Trix Ltd., Old Burlington Street, London W1, UK
Info from the Metal Constructional Systems Database for TRIX [2b] (Ref:TRX2b)
Trix
as TRIX (inc MCX)
United Kingdom
1946 to 1965
Steel / Aluminium (Alloy) (see comment *1)
4BA
single-tapped
4BA
33
50
7.8
3.6
3.6
3.5 (Screwed Rods or Bolts are used as axles.)
Nuts: hexagonal
Bolts: tapered cheese (slotted)
Steel with a Brass finish
6.5
5.7
Comments
*1 Angle Girders (nearly?) always aluminium. Flanged Plate usually; other parts occasionally. Parts painted from 1960.
NOTE - This system is covered in the MCS document above, so it is not repeated.
NOTE - The 'Other Systems Newsletter' pages displayed further up this web page, may also include information on this system/era.
Below there are manuals/leaflets which can be downloaded by clicking on the appropriate image.