Five specimens of electroformed sheet and tubing
5 specimens electroformed sheet and tubing
- Object Number:
- 1937-914 Pt1
- type:
- specimens
Specimens illustrating electroforming and electrotyping
5 specimens electroformed sheet and tubing
1 searchlight mirror
1 record stamper
1 art plaque
5 specimen illustrating production of electrotype printing block
5 specimens illustrating embossed printing plate