Keywords: Fire alarm locator, reporting location of activated alarm box, used in Oakland Central Fire Alarm Station until 1911 - Oakland Museum of California - DSC05270.JPG en Exhibit in the Oakland Museum of California Oakland California USA This work is in the public domain because its maker died more than 70 years ago Photography was permitted in the museum without restriction 2013-11-15 17 22 03 own Daderot other versions cc-zero California history in the Oakland Museum of California Uploaded with UploadWizard Fire alarm notification appliances |