Loan Period
4 hour loan
May be used outside of the library
Helix Oxford set of Mathematical Instruments
- Compass
- Pencil
- Divider
- Pencil sharpener
- Ink and pencil eraser
- 6" / 15cm ruler
- 45° & 60° set squares
- 180° degree protractor
- 3/8'' / 10mm lettering stencil (upper and lower case letters).
Compass set with mechanical pencil
