What was this used for?? Bottle ID help please

[SinfulChk]

Found this a while back, and have searched and searched for exactly what it is... Obviously with no luck. Any help would be much appreciated!!!

 

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[mick56]

Ink bottle for fountain pen use. You tip the bottle and fill the well on the side, then suck the ink out with a fountain pen. I used them in the early to mid 60's at school. Seems like it was Schaeffers Ink.

 

[SinfulChk]

Thank you so much!!!