Glass strain demonstration apparatus, unsigned, European, 1925-1965. Consists of metal ring and handle with four tightening screws to compress a cube of glass.
Details
- Category:
- Optics
- Object Number:
- 1986-1682
- Materials:
- glass, wood (unidentified) and brass (copper, zinc alloy)
- Measurements:
-
overall: 26 mm x 65 mm x 170 mm, .182kg
- credit:
- Podmore, N.
