[Shaper] Any information on a Havir shape rite 8 with USN marking

[Rjskram]

I just acquired a share rite shaper the serial number 1711B and a navy anchor with US on it. Just wanted to see if an had any information or ideas where it may have originated?

 

[LF_WS]

You can find some information and several publications on the VintageMachinery.org website at:
http://vintagemachinery.org/mfgindex/detail.aspx?id=5112