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Der Junge Mechaniker/Le Jeune Mecanicien
Construction Sets

Der Junge Mechaniker / Le Jeune Mecanicien was a very early competitor to Meccano. It was sold in Germany under the 'Der Junge Mechaniker' name and in Belgium under the 'Le Jeune Mecanicien' name. It was very similar to Meccano and was made in Germany from 1910 to around 1921.


Manufacturer / Distributor

Werner ?, Strasbourg, Germany
Then Gebr. Weimar, Rotterdam, Netherlands


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

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



Manufacturer / Distributor

Werner ?, Strasbourg, Germany
Then Gebr. Weimar, Rotterdam, Netherlands


Info from the Metal Constructional Systems Database for LE JEUNE MÉCANICIEN

Maker
 
System Type
Very like Meccano
Country
Belgium
Dates
1920s (some significant doubt)
Material
 
Thread
 
Boss Type
 
Boss Thread
 
Diametrical Pitch of Gears
--
No. of Parts in System
50 (approximately)
Hole Pitch (Spacing) (mm)
12.7
Diameter of holes in Strips(mm)
4.0
Diameter of the Bore in Bosses(mm)
 
Diameter of Axle Rods(mm)
 
Types of Nuts and Bolts
Nuts:
Bolts:
Material/Finish of Nuts and Bolts
 
Size of the Nuts across Flats (mm)
Bolt diameter (mm)
 

Comments
Probably the same as DER JUNGE MECHANIKER.

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


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
(Added 21/12/2018)

Another Der Junge Mechaniker instruction manual (with original covers). The prices are in German Marks
(Added 22/02/2021)

Various photos of the Der Junge Mechaniker construction system
(Added 21/12/2018)