Also, don't forget that the early automobiles (and "horseless carriages" 
long before) were fitted with carbide/acetylene lamps ... Bray was a 
major manufacturer of a great variety of such tips, too:

https://www.google.com/search?q=bray+acetylene+burner&newwindow=1&tbm=isch&tbo=u&source=univ&sa=X&ved=2ahUKEwjpkuWV07jeAhWE0FMKHb-QAz8QsAR6BAgGEAE&biw=1600&bih=1058#imgrc=H3d8_Y1e2sA1FM:

On 11/3/2018 11:03 AM, Tim Mancl wrote:
> Wow. I've never seen the batswing tip for a carbide lamp. And yes, I nearly tempered my certainty thinking someone would prove me wrong.
>
> I looked around again at gaslamp tips, and it appears that they are likely to be threaded. So, carbide lamp tip sounds good.
>
> Tim Mancl
> TJM Historical Consulting
>
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