Keywords: Old-style fire alarm horn.jpg This is an old-style fire alarm notification appliance It consists only of a horn - there is no strobe light or other visual indicator I took this picture in Campbell Hall Michigan State University on November 9th 2006 I release it into public domain Shadowlink1014 03 30 10 November 2006 UTC en wikipedia SchuminWeb CommonsHelper 2006-11-10 Shadowlink1014 wikipedia en Shadowlink1014 original upload log page en wikipedia Oldstyle_fire_alarm jpg 2006-11-10 03 30 Shadowlink1014 964×684× 32638 bytes <nowiki>This is an old-style fire alarm notification appliance It consists only of a horn - there is no strobe light or other visual indicator I took this picture in Campbell Hall Michigan State University on November 9th 2006 I release it into pu</nowiki> Fire alarm notification appliances |