A rare BOARD MEASURE FOLDING RULE, No. 66, by L.C. Stephens & Company, Riverton, Connecticut. This rule, which is graduated on half of the inside with board measure tables. This example is in absolutely perfect unused condition and offered without apology. An extremely rare folding rule in top collector quality condition. Length = 24.00 Inches (Ref. Id No.: 317689) [SmallFlatRate]