Variable Wavelength Hologram
- manufacturer:
- Pilkington P.E. Limited
Variable wavelength hologram by P. E. Pilkington Ltd., St. Asaph, Clwyd, Wales, 1985. Originally shown in metal frame/stand.
Details
- Category:
- Optics
- Object Number:
- 1985-758
- Materials:
- glass and metal (unknown)
- Measurements:
-
overall: 160 mm x 235 mm x 4 mm,
- type:
- hologram
- credit:
- Pilkington, P.E. Ltd.
