![](http://www.alamy.com/thumbs/6/CD91EF45-3AFA-49ED-8F42-665D89866124/2GGBPB9.jpg)
6 3/4 , range 10-0-10 degrees, black curved metal with glass tube
Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
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