A interesting bit of history ...

Great pic, heels even- looks like she's cutting a keyway in a gear with some type of shaper head
Mark
 
Looks like a universal, vertical head shaper for cutting gears.
 
Wounder if Rosie the riveter ever bucked rivets, looks like she’s making a bull gear. Didn’t need safety glasses then
 
It was mentioned in another forum that it was a 12" Pratt & Whitney vertical shaper.
To my eye, it looks more like a 6" Pratt & Whitney vertical shaper (I have one) I'm going by the diameter of the rotary table, mine is 18" diameter and I think the 12" was a good bit larger. Also, the clapper box is the same size as mine.
 
OMG! the sleeves! quick someone get her to roll up her sleeves!
Fortunately she has her hair up and completely secured.

That's a beautiful machine, I'd wouldn't mind seeing one in person... I may have over the years and had no idea.
 
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