A sample of optical glass, 1968
- Object Number:
- 1968-228/1
- type:
- samples
three samples of optical glass, 1968
- Made:
- 1968
three samples of optical glass, 1968
Parts
A sample of optical glass, 1968
- Object Number:
- 1968-228/2
- type:
- samples
A sample of optical glass, 1968
- Object Number:
- 1968-228/3
- type:
- samples
A sample of optical glass
- Object Number:
- 1968-228/4
- type:
- glass sample
A sample of optical glass
- Object Number:
- 1968-228/5
- type:
- glass sample
