7501-132 Lot of three CHAPLIN patent adjustable throat smoothing planes. All have 2" proper marked Tower & Lyon cutters, 9" corrugated soles. All have knurled adjustment knobs behind totes that adjust throat. All have bakelite totes, one with large chip and crack, another wrapped with tape and tip broken off, and third has loose knob that doesn't look proper. Nickel plating on lever cap 40-60%. Three examples of an uncommon patent that need work. Good- (HUH703) 50-100