Sounder using 9 micron piezo film
Sounder using 9 micron Kureha piezo film: Film stretched over foam to bring it into tension. Mounted in plastic box which contains 9 volt battery and electronics to activate the sounder
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 1995-176
- type:
- sounder
- credit:
- Pantelis, Philip