![](https://coimages.sciencemuseumgroup.org.uk/289/640/large_thumbnail_2008_0010__0002_.jpg)
Decahedral glass object containing a diaphragm attached to a cylindrical piece of glass
- Made:
- 1920-1940
![Decahedral glass object containing a diaphragm attached to a](https://coimages.sciencemuseumgroup.org.uk/436/935/medium_smg00101334.jpg)
Decahedral glass object containing a diaphragm attached to a cylindrical piece of glass, with base made of phenol formaldehyde and a knob made of phenol formaldehyde on top, with "ARGIT" Bte S.G.D.G. and Made in France inside the base, 1920-1940
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 2005-338
- Materials:
- phenol formaldehyde (unspecified), glass and felt
- Measurements:
-
: 5.5118 x 2.4803 in.; 140 x 63 mm
- type:
- unknown object
- credit:
- Frangenberg, Tomas