When the cell is compressed by rotating the lever, many thousands of volts are created across the crystal, enough to jump a gap of up to a ¼ inch. This is an example of the direct conversion of energy from one form to another - in this case, from mechanical to electrical.
In the picture, the cell is shown as the dark circle located inside the demonstration apparatus.
Cell dimensions are θ12mm x 60mm. Wabash #GS-711.
Forensics Lab Supply Number 3178711.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.
Purchase orders may be sent by email to staff @ grauhall.com or by FAX to 916 379 9639 or by mail to P. O. Box 279592, Sacramento, CA 95827-9592.
All products shipped from Wabash, Indiana.