What was this jar used for? It has a spring loaded button on the top.

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tomcremers
http://forum.antiquebottles-glass.com/uploads/244/FF6NMSJKJGYU.jpg

It is around 6 inches in diameter & about 8 inches tall. It has patent applied for The Cleveland Foundry Company.

This was used for kerosene. I believe they were used to fuel kero stoves.