A Model 2 at 3:15 in:

https://youtu.be/sgFFlUOhB0g?si=XZMJZmOdWxnz4yxY

And at 4:14 & 18:05.

Yes, that was in 1968.

Found an early electronic siren installation picture, in Olathe Kansas What is it?

Atchison Kansas installing sirens 1977:

Wichita Kansas had "bumble" Thunderbolts:

Mobil Directo installation in Atlanta 1953:

The first of 30 new Model 7's in Los Angeles:

An ACA Banshee in 1986:

https://www.newspapers.com/article/the- ... 167462258/

Tucson 1957 siren installations:

https://www.newspapers.com/article/ariz ... 167460865/

Here's one location: https://www.newspapers.com/article/colorado-springs-gazette-telegraph-radio/167203087/ 3 sirens added in 1964: https://www.newspapers.com/article/colorado-springs-gazette-telegraph-3-new/167203586/ 4 sirens added in 1963: https://www.newspapers.com/article/colorado-springs-gazet...