Air horns question

Sorry if a bit off topic but had a few questions about Sparton air horns. When I bought my truck it came with a set of trumpets. The read "Sparton for Safety". Seem like a real old set up.

Does anyone know what kind of oil to put in the pump? Second, anyone know anything about them? I've searched with no luck.


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Btt


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Any help?


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first off what kind of pump are you wanting to oil

 

Not having any experience with this, I'd suggest that air compressor oil would be OK to use.