Helix Mathematic Instruments

Description 

Helix Mathematic Instruments

Set of Mathematical Instruments Complete and Accurate- includes:  

- Hinged Lid Printed Tin
- 45 Degree and 60 Degree set squares
- 180 Degree Protractor
- 15cm Clear Plastic Ruler with metric and imperial  
   graduations
-  Eraser
- Single hole pencil Sharpener
- 10mm Lettering Stencil
- 9cm Pencil
- Blank time table/factsheet
- Metal self centring Compass with Safety Point