Inventrix

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Inventrix Construction Sets

Inventrix was a simple Meccano-like system with some parts similar to Stabil. It was made in Germany from around 1946 to 1958.

Manufacturer / Distributor

Inventrix Ltd., 9 Union Street, Liverpool, England

Info from the Metal Constructional Systems Database for INVENTRIX (Ref:INV)

Maker

System Type
STABIL type

Country
United Kingdom

Dates
1946 to 1958 (see comment *¹)

Material
Steel

Thread
M4

Boss Type
single-tapped

Boss Thread
M4

Diametrical Pitch of Gears
--

No. of Parts in System
40

Hole Pitch (Spacing) (mm)
12.5

Diameter of holes in Strips(mm)
4.1 (mean)

Diameter of the Bore in Bosses(mm)
4.1 (mean)

Diameter of Axle Rods(mm)
4.0

Types of Nuts and Bolts
Nuts: square
Bolts: mush (slotted)
(see comment *²)

Material/Finish of Nuts and Bolts
Steel with a Steel finish

Size of the Nuts across Flats (mm)
8.0(mean)

Bolt diameter (mm)
7.3(mean)

Comments
Based on dull grey parts in German sets & painted parts in #3 set from Inventrix Ltd, Liverpool (as MCS). Some parts like STABIL. *¹ for firm. *²*³ Long Bolts slotted cheesehead 7.2. (GE: hex nut & round slotted bolt 7.9 6.9 (long Bolts 7.3)).

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

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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 INVENTRIX 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 and photos which can be downloaded by clicking on the appropriate image.

An Inventrix manual - Type A-02 (size 20.3 x 14.8 mm)
(Added 09/01/2021)

An Inventrix manual - M-01 (20.3 x 14.8 mm)
This was an interesting set that included an electrically heated boiler and pistons to build various live steam engines and locomotives.
(Added 09/01/2021)

Photos of the Inventrix system. it includes photos of a live steam locomotive with an electrically heated boiler. This was built from a special set that allowed one to build various live steam models.
(Added 09/01/2021)

Photo of another Inventrix set
(Added 21/11/2020)

Photo of an Inventrix set (from an Ebay listing)
(Added 21/11/2020)