Plotting scale
Plotting scale, 12"; brass; 17th century, diagonal scale and scales of equal parts and chords
Details
- Category:
- Mathematics
- Object Number:
- 1917-84
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
overall (flat): 3 mm x 307 mm x 32 mm, 0.17 kg
- credit:
- Thomas H. Court