Oak Park, IL

Federal Sign & Signal Thunderbolt 1000 - 6M blower - Located atop the Oak Park & River Grove HS. 6/27/21, copyright Christopher Aylward.

Above photos taken 6/27/21, copyright Christopher Aylward

Below photos taken 8/5/25 by Nestor Chavez

Fulton / ASC T-128 - Located at Taylor Park. Earlier T-128 that replaced a Thunderbolt 1000. 6/27/21, copyright Christopher Aylward.

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