Considering the amount of time, energy, and money he put into the green one, I'm surprised he didn't look into having a machine shop fabricate a rotor! I mean...everything else looks almost perfect...why skimp out on THAT?
I grew up in the same era...60hz horns (Edwards Adaptahorn 360s), sounding steady. The building would dang near vibrate with all of those things going.
I'd never seen a rod-style pull station before! Really cool.
On the last page of the California entries, it lists "Federal Tritone" as being a category 625. Wonder what that is. The only siren I know that plays a musical interval of a Tri-Tone is the HOR... I suspect that is a listing for a Thunderbolt 1003. Novato CA had a Tbolt on the Police HQ, ...