Necobo

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Necobo Construction Sets

Necobo was a Meccano-like construction system. It was made in The Netherlands in the late 1940s or 1950s to the 1960s.

Manufacturer / Distributor

Netherlands Constructie, Bouw, Netherlands
Later may have been BE & Be, Strykviertel, De Meer, Netherlands

Info from the Metal Constructional Systems Database for NECOBO [a] (Ref:NECa)

Maker

System Type
MECCANO & MÄRKLIN features

Country
Netherlands

Dates
1950s

Material
Steel

Thread
5/32W

Boss Type
double-tapped

Boss Thread
5/32W

Diametrical Pitch of Gears
25 (see comment *¹)

No. of Parts in System
126

Hole Pitch (Spacing) (mm)
12.7

Diameter of holes in Strips(mm)
4.5

Diameter of the Bore in Bosses(mm)
4.1 (see comment *²)

Diameter of Axle Rods(mm)
4.1 (probably)

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)

Material/Finish of Nuts and Bolts
Brass with a Brass finish

Size of the Nuts across Flats (mm)
8.0

Bolt diameter (mm)
6.0

Comments
Lid label may have had Gantry Crane with jib pointing to the right, but needs confirming. Early phase with parts to part no. 140 and *¹ Mod.1 Gears. *² or late 1940s. *³ or 4.0.

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

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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

Manufacturer / Distributor

Netherlands Constructie, Bouw, Netherlands
Later may have been BE & Be, Strykviertel, De Meer, Netherlands

Info from the Metal Constructional Systems Database for NECOBO [b] (Ref:NECb)

Maker

System Type
MECCANO & MÄRKLIN features

Country
Netherlands

Dates
to 1960s (see comment *¹)

Material
Steel

Thread
5/32W

Boss Type
double-tapped

Boss Thread
5/32W

Diametrical Pitch of Gears
38

No. of Parts in System
201

Hole Pitch (Spacing) (mm)
12.7

Diameter of holes in Strips(mm)
4.5

Diameter of the Bore in Bosses(mm)
4.0 (see comment *²)

Diameter of Axle Rods(mm)
4.1

Types of Nuts and Bolts
Nuts: square
Bolts: tapered cheese (slotted)

Material/Finish of Nuts and Bolts
Steel with a Brass finish

Size of the Nuts across Flats (mm)
6.4

Bolt diameter (mm)
6.0

Comments
Lid label may have boy & H'head Crane with jib to left, but ? (as above). Later phase with more parts & 38 DP Gears. aluminium wide range of parts, MECCANO inspired but some similar to MÄRKLIN & many specials. *¹Not made by 1970.