Koh Circular Protractor 360 degree

Traditional die cast metal model featuring a shortened safety point, self-centering mechanism and cam lock pencil-retaining ring.

Comes with pencil.

Helix (10cm) Protractor.

Helix Protractor
Clear Protractor measuring 4 inches/ 10cm

A compact Clinometer with no external moving parts and a combined sighting angle-reading eyepiece.
A viewing window on the side of the Clinometer allows a second person to check a reading.
All angles in degrees followed by a plus or minus to indicate an upward or downward slope.
Complete with product guide.

Manufactured in robust materials to withstand outdoor use. Strong adjustable legs are telescopic for easy storage. The level indicator ensures accurate set-up. Both the horizontal and vertical scales move and measure to an accuracy of 0.5 degrees. Complete with product guide. Maximum assembled height: 83cm

M+R Set Square Geometrie-Dreieck code 2317 Set Square - two way scale, red backed, clear polystyrene.

Measures most shapes from 1mm to 30cm by simply reading measurements through a single viewing window. Designed for calculating areas and volumes. Able to measure depth, width and diameter.

Highly Robust Plastic Compass with pencil. Made specifically for SG Education, unlike many plastic compasses this compass is strong and guaranteed to please.

Trigonometric Function Model

An optical dynamic presentation of the relation trig. Functions of sin, cos, tan, cot corresponding with std-circle(R=1)