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Amazon.com: Treasure Gurus Brass Fog Horn Manual Marine Signal Whistle Vintage Reproduction : Musical Instruments
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Brass Wind Musical Instrument Torai Fog Horn | Musical instruments, Indian musical instruments, Acoustic instrument
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![Foghorn.Pneumatic fog horn, painted black, the inside of the chalice red, on the outer pipe is the chalice in an angle of 90 as with a ventilation shaft. The pipe has two Foghorn.Pneumatic fog horn, painted black, the inside of the chalice red, on the outer pipe is the chalice in an angle of 90 as with a ventilation shaft. The pipe has two](https://c8.alamy.com/comp/2F2436R/foghornpneumatic-fog-horn-painted-black-the-inside-of-the-chalice-red-on-the-outer-pipe-is-the-chalice-in-an-angle-of-90-as-with-a-ventilation-shaft-the-pipe-has-two-handles-the-air-chamber-is-formed-by-the-outer-pipe-slid-over-a-loose-inner-pipe-which-is-closed-at-the-bottom-the-air-pressure-is-obtained-by-pushing-both-pipes-together-while-if-they-are-pulled-out-in-the-room-being-allowed-by-a-valve-in-the-bottom-of-the-inner-pipe-the-tone-is-obtained-by-a-reed-on-a-long-conical-inner-pipe-which-is-mounted-on-the-outside-pipe-in-the-room-the-horn-is-operated-by-moving-the-outer-pip-2F2436R.jpg)