Small brass screw embedded in a knob made of phenol formaldehyde
- Made:
- 1920-1940
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Science Museum Group
© The Board of Trustees of the Science Museum
Small brass screw embedded in a knob made of phenol formaldehyde, 1920-1940
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 2005-326
- Materials:
- phenol formaldehyde (unspecified) and brass (copper, zinc alloy)
- Measurements:
-
: 1.1811 x .9843 in.; 30 x 25 mm
- type:
- screw fitting
- credit:
- Frangenberg, Tomas
