This circa 1860s example has an expertly carved, smooth-angled handle that ends in a flourished, curl-like shape. The overall form of the tool, when viewed in profile, takes on a somewhat futuristic, space-age design- an interesting concept given that this tool is approximately 160 years old! This handsome tool measures 8.25 inches long and sports a warm, aged, brownish patina...
The arm on one side is stamped in increments 1 through 9 (pounds) and 7-30 on the opposite side...
Dado planes are designed to cut a groove across the wood's grain. The front-mounted nicker iron would score the edge of the groove and thus avoid splitting and lifting the grain. The adjustable depth stop (which is controlled by the brass screw on top) regulates how deep the blade cuts into the wood...