![](http://www.alamy.com/thumbs/6/955650D2-0661-4484-8375-FA449D122732/2GGBP9D.jpg)
3-1/8in. diameter; range 40-400 kts; ca. 1952; pitot-static operated.
Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
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