Blue Island, IL

Federal Sign & Signal Thunderbolt 1000T (Ex-1003) - 41.66984, -87.67963. 55-AF Blower. Photos taken 2/15/26 by Nestor Chavez.

Federal Sign & Signal Model 5 - 41.63701, -87.69493. Photos taken 1/2/25 by Nestor Chavez.