Drawing of L. Palmer's micrometer or 'system palmer'
- Made:
- 1848-original
- maker:
- Jean-Laurent Palmer
Drawing of L. Palmer's micrometer or 'system palmer', patented in 1848. Drawing taken from the French patent No. 3762.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1960-34
- Materials:
- wood glass & paper.
- Measurements:
-
14.5 x 17.5 cm
- type:
- drawing
- credit:
- Science Museum Drawing Office