Federal Sign and Signal Corp. Chicago Air Whistle Size 4 M

[shues]

Brass Antique air horn - antiques - by owner - collectibles sale

Antique Brass air horn and whistle by Federal Sign and Signal Model 4M Diameter of horb 5" Length 11 1/4 " Weight 8 lbs

toledo.craigslist.org

https://web.archive.org/web/20230102052236/https://toledo.craigslist.org/atq/d/northwood-brass-antique-air-horn/7573572282.html

 

[ur20v]

Anyone have a video of one of these? I did a quick YouTube search and found nothing.