Sun Jun 08, 2025 1:14 am
We've had two separate spreadsheets for the "T-XXXX-D" and "Date Code" serials. Those have now been combined together and are now all in one document. Link:
https://docs.google.com/spreadsheets/d/ ... p=drivesdk
Average middle Tennessee siren enjoyer that loves Thunderbolts too much.
-Mainly know info about Thunderbolts, Federal Signal equipment and some others.
-Proud owner of a 1954 Thunderbolt 1000, 1959 4/5 Thunderbolt 1000T and some other equipment.