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Scientific Bouwdoos

Scientific Bouwdoos was a construction system very like Märklin. It was made in the Netherlands. Not certain of the date. Could be any time from the 1920s to 1950.

Manufacturer / Distributor

An unknown company from Netherlands

Info from the Metal Constructional Systems Database for SCIENTIFIC BOUWDOOS (Ref:S D)

Maker
 
System Type
MÄRKLIN type
Country
Netherlands
Dates
1950s (see comment *1)
Material
Steel
Thread
5/32W
Boss Type
single-tapped
Boss Thread
5/32W
Diametrical Pitch of Gears
--
No. of Parts in System
48 (see comment *2)
Hole Pitch (Spacing) (mm)
12.7
Diameter of holes in Strips(mm)
4.2 (mean)
Diameter of the Bore in Bosses(mm)
4.1
Diameter of Axle Rods(mm)
4.1
Types of Nuts and Bolts
Nuts: square
Bolts: cheese (slotted)
(see comment *3)
Material/Finish of Nuts and Bolts
Brass with a Brass finish
(see comment *4)
Size of the Nuts across Flats (mm)
8.1(see comment *5)
Bolt diameter (mm)
5.1(see comment *6)

Comments
Most parts like MÄRKLIN but Windmill Sail with 2x6 large round holes. *1 May be prewar, even 1920s. *2 plus up to 7 if Set 4 exists. *3 Nut plain steel. *4*5*6*7 Also SR Nickel plated steel 8.5 8.0 but Nutt brass plated steel.

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

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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

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The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

There are currently no manuals, leaflets or photos etc. available for downloading. If you can supply any, please get in contact with me.

Page content last updated - 25th March 2021