Case for ivory plotting scale
Case, red, for ivory plotting scale, which opens to rolling parallel rule.
Ivory plotting scale opens to rolling parallel rule and contains dividers and combined pen and pencil
Ivory plotting scale opens to rolling parallel rule and contains dividers and combined pen and pencil, engraved "From John Francis Erskine of Mar Esquire, to Robert Bald Esquire 1800", in case
Details
Parts
Ivory plotting scale opens to rolling parallel rule and contains dividers and combined pen and pencil
Ivory plotting scale, which opens to rolling parallel rule and contains dividers and combined pen and pencil, engraved "From John Francis Erskine of Mar Esquire, to Robert Bald Esquire 1800".
- Materials:
- ivory and metal (unknown)
- Object Number:
- 1938-734/2
- type:
- plotting scale and parallel rule
- Image ©
- The Board of Trustees of the Science Museum
Small screw from ivory plotting scale
Small metal screw, from ivory plotting scale, which opens to rolling parallel rule.
- Materials:
- metal (unknown)
- Object Number:
- 1938-734/3
- type:
- screw
- Image ©
- The Board of Trustees of the Science Museum
