✅ SOLVED Looks like some kind of old Spark Plug....

[krednosreg45]

Not quite sure what this item is... Has the Dates and Company right on it says on the bottom verbatim... "A. Schraders Son, Inc. N.Y PAT.MAR .27-1906 & OCT 27 1908"....

 

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[creskol]

https://www.etsy.com/in-en/listing/491788856/vintage-hot-water-bottle-bed-warmer-or

 

[Peyton Manning]

I was thinking fuse

 

[oooldman]

It looks like an original Mickey Mouse home electrocution kit just screw into light socket. but other than that i would guess a plug to take out to prime a water pump or to bleed air out of a water system.

 

[oooldman]

Yes i think Creskol nailed it bed warmer or hot water bottle

 

[DizzyDigger]

It's an antique plug for a canteen. Check on Google under name
and "plug".

 

[Tony in SC]

Schrader made air valves, valve stems, and other air pressure related devices. It's a plug for something??

 

[nhbenz]

The patent actually does specify hot water bottles: https://www.google.com/patents/US816503

 

[Old Pueblo]

Nice old time find. Whats that thing in the box?

 

[Old Pueblo]

If you found this where you found that button you showed us, it may have been from the soldiers as well. Its the right time period.

 

[Icewing]

I just want to know what about it made you spark plug?

 

[Anduril]

The patent actually does specify hot water bottles: https://www.google.com/patents/US816503

Correct. It specified hot water BAGS, not bottles.
Note also that Google Patents lists the inventor's name wrong.
They state: "G.H.P. Sghrader". It is actually "George H. F. Schrader".

 

[krednosreg45]

Thanks Old Pueblo, yes makes perfect sense. Was found pretty close to Bisbee. Perhaps for medical use indeed by the local military.