'Other' Constructional and Allied Systems Info & Downloads
Mercator(1) Construction Sets
Mercator(1) was a Meccano-like construction system. It was made in Belgium in the 1940s.
Info from the Metal Constructional Systems Database for MERCATOR 
Hole pitch >12.7mm
1940s to known in 1949
M4 (see comment *1)
25 (see comment *2)
13.0 (see comment *3)
Bolts: tapered cheese (slotted)
(see comment *4)
Steel with a Brass finish
(see comment *5)
8.0(see comment *6)
6.7(see comment *7)
Parts include some unusual Plates, 4" Pulley, 3 Boilers. *1 M3 (?) in one part. 3.8x26tpi earlier (Type 1e). *2 Mod 1. *3 12.7 in MCS. *4*5*6*7 Also hex nut and slotted cheesehead bolt plain brass 8.0 7.0.
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 manuals/leafets which can be downloaded by clicking on the appropriate image.
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