Combined Protractor and Plotting Scale, wooden with bevelled edges, measuring "Chords" by "B.J. Hall & Co Ltd London & Birmingham". Initials BGH engraved on back. 6"x1 3/4"
Details
- Object Number:
- 1987-8471
- Materials:
- Box wood
- Measurements:
-
overall: 6 in x 1 3/4 in
- type:
- protractor & scale
