Lalanne's slide rule
- designer:
- Leon Louis Lalanne
Lalanne's slide rule, glass, with printed paper scales.
Details
- Category:
- Mathematics
- Object Number:
- 1857-35
- Materials:
- glass, paper (fibre product), wood (unidentified) and paint
- Measurements:
-
overall (FLAT): 9 mm x 281 mm x 50 mm, 0.116 kg
- type:
- slide rule
- credit:
- Commissioners of the Great Exhibition of 1851
