Rulers, triangles & protractors (28 articles)

Odd-Even Circles Trace, No.18

Trace Circles Pairs, No.17a

Odd Circles, No.17

Machined plexiglass square, hypotenuse: 707 mm

Machined plexiglass square, hypotenuse: 495 mm

Trace letters No. 5, writing height: 5 mm

Trace symbols Electrograph No.13 a, NF standard

Outline letters No 8, writing height: 8 mm

Track letters No 3.5, writing height: 3.5 mm

Trace symbols Flowchart, No.45

Trace symbols Architectographer, No 9

Fan-shaped reduction scale, in plastic