BACK ] [
to Album ]
[ Click on Image to Enlarge ] [
Northridge, CA 2003
Photograph courtesy of Raffie Gevorgian.
Blower propeller shaft and air intake.
At the 11 o'clock position on the large 3-stage blower
name plate for the American Blower Corporation. Stamped on that
plate is, "B/M-491-3" At the 12 o'clock
position is a brass arrow that indicates clockwise rotation. At the 1
o'clock position is a data plate. The first field on the data
plate reads, "SIZE AND TYPE: SIREN."