Object Record
Images
Metadata
Accession number |
2003-16 |
Catalog Number |
2003-16 |
Collection |
History San Jose Collection |
Object Name |
Circuit |
Title |
Herrold Involute Inductance |
Description |
Radio tuning device invented by Charles "Doc" Herrold. Plaque reads: "Herrold Laboratories, San Jose, Calif., Herrold Involute inductance, Patent Pending." |
Year Range from |
1910 |
Year Range to |
1913 |
Artist |
Herrold, Charles |
Dimensions |
H-4.75 W-5.625 Dia-1.875 inches |
Height (in) |
4.750 |
Diameter (in) |
1.875 |
Material |
Wood/Metal |
Width (in) |
5.625 |
Donor |
Gift of Will Jensby |
People |
Herrold, Charles |
Subjects |
KQW (Radio station: San Jose, Calif.) Radio broadcasting -- California -- San Jose |
Number of images |
3 |