Gunter proportional sector
Gunter proportional sector
Obtained from the UK
Two (small) Gunter sectors, one in ivory and one in boxwood. Both have no makers name and are included in drawing kits. There is a plethora of scales on the instrument inlcuding sine, tangent and logarithmic. Literature doubts these were used much as the scales are so small it would have been hard to get decent numbers from them (these are around 6" or 15 cm long). The condition of both is pristine indeed wheras most other instruments from these drawing sets have seen heavy use.
gunter sector
Data sheet
- Material
- Wood
ivory
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Gunter proportional sector
Obtained from the UK