Geco/Conrad

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(1207 systems found)

Geco and Conrad Construction Sets

Geco was a construction system which used wooden strips in steel connectors and axles. It was made in Germany in the 1920s. Conrad is thought to have followed on after it and be a similar system.

Geco

Manufacturer / Distributor

An unknown company from Germany

Info from the Metal Constructional Systems Database for GECO (Ref:GCO)

Maker

System Type
Mainly Rods/Tubes

Country
Germany

Dates
early 1920s s

Material
Wood / Steel

Thread
----

Boss Type
single-tapped

Boss Thread
3x.65

Diametrical Pitch of Gears
--

No. of Parts in System
22 (see comment *¹)

Hole Pitch (Spacing) (mm)
---

Diameter of holes in Strips(mm)
1.2 (see comment *²)

Diameter of the Bore in Bosses(mm)
5.1

Diameter of Axle Rods(mm)
5.1 (see comment *³)

Types of Nuts and Bolts
Nuts: --
Bolts: cheese (slotted)
(see comment *⁴)

Material/Finish of Nuts and Bolts
Steel with a Nickel plated finish
(see comment *⁵)

Size of the Nuts across Flats (mm)
---

Bolt diameter (mm)
3.8

Comments
Parts: 1cm square wood Strips in steel Connectors & Axles, Wheels probably zinc. Models round name on lid. CONRAD, similar, after or before it? *¹ in Set 2, many more. *² for drawing pins if needed. *³ & 4.9. *⁴*⁵ Set Screw.

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

Conrad

Manufacturer / Distributor

An unknown company from Germany

Info from the Metal Constructional Systems Database for CONRAD (Ref:CRD)

Maker

System Type
Mainly Rods/Tubes

Country
Germany

Dates

Material
Wood / Metal

Thread

Boss Type

Boss Thread

Diametrical Pitch of Gears

No. of Parts in System

Hole Pitch (Spacing) (mm)

Diameter of holes in Strips(mm)

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
Said to have followed GECO and to be like it.

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

NOTE : If the 'Other Systems Newsletter' pages for CONRAD do 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

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