Dewald valve with radio case moulding made of dark brown phenolic
Dewald valve with radio case moulding made of dark brown phenolic, c.1935. Front inscribed "DEWALD".
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 1974-179
- Materials:
- phenol formaldehyde and phenolic (Bakelite)
- Measurements:
-
: 4.8031 x 8.0709 x 4.9213 in.; 122 x 205 x 125 mm
- type:
- valve