A sturdily constructed partially complete 3in. scale model of a Marshall 'S' type steam tractor with braized copper boiler built by A. Kellett with some fittings, cylinder block and some motion mounted and horn plates fitted (cylinder 2in. bore x 2½in. stroke with piston valve), a quantity of loose castings, and some machined parts, drawings and boiler certificate dated 10.8.1989 (A lot)

Details
A sturdily constructed partially complete 3in. scale model of a Marshall 'S' type steam tractor with braized copper boiler built by A. Kellett with some fittings, cylinder block and some motion mounted and horn plates fitted (cylinder 2in. bore x 2½in. stroke with piston valve), a quantity of loose castings, and some machined parts, drawings and boiler certificate dated 10.8.1989 (A lot)
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