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Braces -  Another Type Study of Sorts
by George Langford

Overall view

Most early PEXTO braces had lignum vitae pads, and this one's excellent pad is not the exception:

Brace PEXTO-13 - P.S.&W.Co. No.0102

Price: $30.00 plus shipping.

This ten-inch swing brace has hardly any of its original nickel plating, but there is now a rich brown patina on the smooth steel and iron.  The Ellrich patent ratchet housing has the patent date clearly stamped on it, and the Peck & Powers chuck patent date is marked on the bow alongside the P.S.&W.Co. trademark and No.0102 model designation.  The pad's plain bearing is original and fully functional.  No apologies.

Here is that clearly stamped patent date of February 11, 1879 for the Peck & Powers chuck:
Peck & Powers patent date of February 11, 1879
And here is the February 19, 1884 mark for the Ellrich ratchet mechanism: Ellrich patent date of February 19, 1884
The Ellrich patent drawings show fine serrations on the ratchet pawls, but at first they were made rather more coarse, as shown at right.  Later pawls have just a fingernail-threatening lip.  The serrated ones are more gentle to operate.
Early ratchet pawl serrations
Chuck view
Pad view
Chuck apart