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Tuba Construction Sets

Tuba is a constructional system using tubes and small plates. It was made in Germany in around 1933 to 1935.


Manufacturer / Distributor

Die Tuba Spielwaren GmbH, Berlin, Germany
(Tuba Toy Co., London for the UK)


Info from the Metal Constructional Systems Database for TUBA

Maker
 
System Type
Mainly Rods/Tubes
Country
Germany
Dates
1933 (see comment *1) to known in 1935
Material
Steel / Wood
Thread
----
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
23
Hole Pitch (Spacing) (mm)
20.0
Diameter of holes in Strips(mm)
5.8 (see comment *2)
Diameter of the Bore in Bosses(mm)
5.9
Diameter of Axle Rods(mm)
5.5
Types of Nuts and Bolts
Nuts: --
Bolts: --
Material/Finish of Nuts and Bolts
--  --
Size of the Nuts across Flats (mm)
---
Bolt diameter (mm)
---

Comments
5.5mm Tubes joined with fold over Clips, Flex Plates, wood Pulleys held on Tubes by cone Clips. Coloured parts reported but probably not likely. Sold in United Kingdom '34-5. *1 Patent date. *2 In Flex Plates, no Strips.

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


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


The Tuba manual
(Added 18/10/2018)

The Tuba UK patent.
(Added 10/12/2018)

The Tuba USA patent.
(Added 10/12/2018)

Various photos of the Tuba construction system.
(Added 18/10/2018)