500 Series
500 Series | |
Company | Federal Signal Corporation |
---|---|
Type | electromechanical |
The 500 Series was a line of electromechanical sirens produced by Federal Sign & Signal.
500 Series | |
Company | Federal Signal Corporation |
---|---|
Type | electromechanical |
The 500 Series was a line of electromechanical sirens produced by Federal Sign & Signal.