It's a steam whistle fitted to the exhaust pipe from the engine. The valve switches the exhaust gasses either to the muffler or the whistle fitted below the truck. They were novelties sold back then, but it was also an added warning if the horn gave out.
It's a steam whistle fitted to the exhaust pipe from the engine. The valve switches the exhaust gasses either to the muffler or the whistle fitted below the truck. They were novelties sold back then, but it was also an added warning if the horn gave out.
JRBriggs68 3 weeks ago
where does the steam come from for the whistle
MrDannysuzy 1 month ago