Maybe Mike Doyle had this one in mind for "The Next Big Find". It's not foreign... made in New Hampshire. Read page 46 and 47 of McDougalds History Guide.

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Webmasters notes:

Look at this patent reference:

http://reference.insulators.info/patents/detail/?patent=U276839

and the drawing

http://reference.insulators.info/patents/page/?patent=U276839&pages_drawings=1&pages_text=2&page=1

The actual patent for this piece is

http://reference.insulators.info/patents/detail/?patent=U290922

and the drawing

http://reference.insulators.info/patents/page/?patent=U290922&pages_drawings=1&pages_text=2&page=1

Lewis' patent has the threads on the top going in the wrong direction, so his attorney applied for the patent himself but with the threads in the correct direction!

Mr. N.R. Woodward at the end of 2010 assigned this CD 158.6