Drawing triangle with gon graduation 22.5 cm

Rumold 1057, 200 gon angle division

Drawing triangle with gon division 22.5 cm

Rumold 1057, 200 gon angle graduation

Product information

Due to the use of the unit of measurement Gon, this drawing triangle is mainly used in surveying. 400 Gon correspond to 360°. In former times Gon was also known as Neugrad, nowadays this designation is considered obsolete.

The Geodreick is made of transparent Plexiglas, has a firm handle, a piercing point for compasses and several ink nubs on the back.

Item details:

• with 200 gon graduation (instead of usual 180 degrees)
• made of transparent plexiglass
• with piercing point for compasses at zero point
• with facet and GON graduation
• colored, retrograde angular numbering
• with ink nubs
• size: 225 mm
• fixed handle
• Manufacturer: Rumold