High Resolution versions of these pictures are available on my deviantART account.
Whelen Vortex-R w/Tail Fin in Bald Knob, Arkansas:
Sentry 3V8-H/7V8-B in Waldenburg, Arkansas:
Allerting Communicator's Of America (American Signal Corporation) (Penetrator) P-10 in Bono, Arkansas:
Federal Signal Corporation Model 5 in Hoxie, Arkansas:
Whelen Vortex-R in Henderson, Arkansas:
Whelen WPS 4000 series in Harrison, Arkansas. Notice how the mesh screen is mounted from the rim of the siren head instead of mounted inset:
Allerting Communicator's of America Screamer in Green Forest, Arkansas:
(7.2MP version here: http://fc07.deviantart.com/fs31/f/2008/ ... nknown.jpg)
Allerting Communicator's of America Screamer in Alpena, Arkansas: