B61-198 PLOW PLANE. Multiform Plane Co. Very rare example of a screw arm plow with Multiform's detachable handle patented by Thomas Worrall. The handful of these we have seen are generally beech; this one is solid ebony - body, fence, and wedge -with boxwood arms and nuts, which we've never seen, and is silver mounted. Includes its original ebony handle, single slot type. Clear A mark, No. 3 Greaves cutter. The actual plane shown on pages 54-55 of Rosebrook and Fisher. A chip from the front of the fence and a couple of small chips to the threads on the rear arm, otherwise immaculate. From the collection of Don Rosebrook. Fine 3000-6000