Grey U-642

By Matt Grayson; posted November 15, 2020

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I recently added the piece in the center, U-642sim, unmarked in an attractive grey. On the left is an unmarked U-642, and on the right, a U-642A marked G.P. Co. These all have a 1 3/8 pinhole, and I believe were designed to be used on a trolley arm. In the next photo, is a picture from a catalog showing how they were used.