Der Junge Mechaniker Construction Sets

Der Junge Mechaniker was a very early competitor to Meccano. It was very similar to Meccano and was made in Germany from 1910 to around 1921.

Info from the Metal Constructional Systems Database for DER JUNGE MECHANIKER

Maker

System Type
Very like Meccano

Country
Germany

Dates
circa 1910 to 1921

Material
Steel

Thread

Boss Type
key fixing (see comment *¹)

Boss Thread

Diametrical Pitch of Gears

No. of Parts in System
59

Hole Pitch (Spacing) (mm)
12.7

Diameter of holes in Strips(mm)
4.1

Diameter of the Bore in Bosses(mm)

Diameter of Axle Rods(mm)
4

Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)

Material/Finish of Nuts and Bolts

Size of the Nuts across Flats (mm)
`

Bolt diameter (mm)

Comments
As LE JEUNE MÉCANICIEN. Old Meccano style parts but Perforated Plate & Angle Girder instead of Flanged Plate. NB. #103 with 1 row of holes. *¹ Key fixing in manual, but tapped bosses in ebay sets.

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 manuals/instructions which can be downloaded by clicking on the appropriate image.

A Der Junge Mechaniker instruction manual. Note that the hard back cover is not original. The prices are in Austrian Kroner
(Scans from Norbert Klimmek).

Various photos of the Der Junge Mechaniker construction system
(Photos from Norbert Klimmek).