![...](https://files.ingeniumcanada.org/items/coll/42/227/1981-0547-001-aa-cs_thumb.jpeg)
Drafting set
1981.0547.001
![...](https://files.ingeniumcanada.org/items/coll/42/224/1981-0547-002-aa-cs_thumb.jpeg)
Triangle
1981.0547.002
![...](https://files.ingeniumcanada.org/items/coll/42/222/1981-0547-003-aa-cs_thumb.jpeg)
Triangle
1981.0547.003
![...](https://files.ingeniumcanada.org/items/coll/42/221/1981-0547-004-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.004
![...](https://files.ingeniumcanada.org/items/coll/42/218/1981-0547-005-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.005
![...](https://files.ingeniumcanada.org/items/coll/42/216/1981-0547-006-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.006
![...](https://files.ingeniumcanada.org/items/coll/42/214/1981-0547-007-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.007
![...](https://files.ingeniumcanada.org/items/coll/42/211/1981-0547-008-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.008
![...](https://files.ingeniumcanada.org/items/coll/42/208/1981-0547-009-aa-cs_thumb.jpeg)
Pen, ruling
1981.0547.009
![...](https://files.ingeniumcanada.org/items/coll/42/203/1981-0547-011-aa-cs_thumb.jpeg)
Compass
1981.0547.011