METAL STEM & Threaded bowl
Only markings are WEB COOL under the bowl.
Also as DRI-COOL
Accepts all Viking or Dr Grabow Viking bowls. No apparent filter system, silvered alloy shank
Overall length 5 11/16 inch (144 m/m)
10 Nov 1964 US patent # D199,552 Inventor Philip D Berenson, Elizabeth, New Jersey, assignor Wilber Briars Inc, Jersey City
Be careful here with the bowl as some are of "heather" rather than 100% briar, and will not take kindly to serious sanding, unless of course you are prepared to seakl, re stain and polish