BigRed™ Siren - Photograph

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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 is a 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."

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