yellow/amber 1/2 cup bottle

[Hoosier49er]

Hello all!
I picked up on old yellow/amber colored bottle at a thrift store the other day. There is one listed on Ebay just like mine. It is Ebay item #6185421671. I tried to upload a picture, but the file was too large. The bottle stands at 7 1/4" tall and has a line in the midle with an arrow above and below it and 1/2 cup above and below the arrows. It has the Owens Illinois Glass Co. mark on the bottom, so I know it was made in the 1900's. I've seen these bottles in two online auctions, but neither knew what they were. Any ideas? I can Email pics, my bottle is in much better shape than the Ebay one, so detail is easier to see.
Thanks in advance,
Joe

 

[Hoosier49er]

Geeze! Never mind, I see the exact same bottle two posts down......
I should have checked first.
[8|]
Boy do I feel silly
By the way, You guys are great, I couldn't find anything on this bottle anywhere else online.
Thanks for helping!
Joe