Beam compasses with fine adjustment

Beam Compasses No. 241
Largest possible radius = 600 mm,
consists of 3 stainless steeel square beams which fit together, 5 x 5 mm
Most rigid to bending in all directions.
The 2 sliders and the inserts are 
bright polished chromium-plated brass.
The drawing pen is made of bright polished stainless steel.
Fine adjusting with screw F.
The correct adapter for use with a technical pen is
No. 121 = 4mm socket Ø.

Beam Compasses No.  246
Largest Radius = 1000 mm - 2000mm,
The 12 mm diameter hard-anodised aluminium beams fit together.
Most rigid to bending in all directions.
The two sliders and the inserts are matt chromium-plated brass.
The drawing pen which opens for cleaning, is stainless steel.
Fine adjusting with screw  F.
For technical pen use the Adapter No. 121 = 4mm socket Ø.

Reference No.
in wooden case

Largest 
Radius 
in mm

Numbers of

Beams

Supp. roll.

246/100E     242,02

1000

2

-

246/150E     322,69

1500

3

1

246/200E     363,03

2000

4

1