American Model Builder

American Model Builder was early competitor of Meccano. It was produced in the United States from 1912-1921.

Manufacturer / Distributor

The American Mechanical Toy Company, Ohio, USA

Info from the Metal Constructional Systems Database for AMERICAN MODEL BUILDER

Maker

System Type
Very like Meccano

Country
USA

Dates
1912 to 1921

Material
Steel

Thread
8-32

Boss Type
single-tapped

Boss Thread
6-32

Diametrical Pitch of Gears
30

No. of Parts in System
74

Hole Pitch (Spacing) (mm)
12.7

Diameter of holes in Strips(mm)
4.2

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: cheese (slotted)
(see comment *¹)

Material/Finish of Nuts and Bolts
Steel with a Brass finish
(see comment *²)

Size of the Nuts across Flats (mm)
6.5

Bolt diameter (mm)
6.5(see comment *³)

Comments
Ridged & flat Plates. compare with CASTLE BUILDER. Spanish version EL CONSTRUCTOR Denmark MODELOS MECÁNICOS. *¹-*² Also 7.1-7.5mm Round head. *³ Also brass, & nickel plated.

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

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

The American Model Builder manual for set 0 dated 1916

The American Model Builder manual for set 1 dated 1915

The American Model Builder 'Complete Manual of Instructions' dated 1912

The American Model Builder 'Complete Manual of Instructions' dated 1913

The American Model Builder 'Complete Manual of Instructions' dated 1914

The American Model Builder 'Complete Manual of Instructions' dated 1915

The American Model Builder Supplement to Manual of Instructions dated 1915

'The Story of Steel' - An advertising brochure promoting American Model Builder