An extremely rare and exceptionally well preserved PRE-LATERAL FROG MECHANISM for a Sargent No. 424 twenty-four inch length jointer plane, "Type 1", by Sargent & Company, New Haven, Connecticut. Fully 95% of the original shiny black japan finish remains on this frog, which was used only on the very first series of planes produced by Sargent. The original round top screws and washers are included with the frog. Length = 7.25 Inches (Ref. Id No.: 387987) [Free Shipping]