air horn

air horn is a sound effect or aerophone.

Also recorded as fog signal; tyfon.

Overview

Its recorded use is siren and vehicle horn. Catalogue entries state maker, model, completeness of accessories and condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

loud signalling device driven by compressed air

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Air horn”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1003090: air horn
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