Lummer-Brodhun type differential photometer by Alex.Wright & Co.
- Made:
- 1920-1959 in Westminster
- manufacturer:
- Alexander Wright and Company Limited
Lummer-Brodhun type differential photometer by Alex.Wright & Co., Westminster, England
Details
- Category:
- Optics
- Object Number:
- 1995-1626
- Materials:
- brass (alloy) and metal
- credit:
- Weston, Paul