A partially complete 5in gauge model of a Geoghegan 1ft 10in gauge locomotive as supplied to the Guinness brewery Dublin 1912 by Wm. Spence & Son, the chassis with sprung running gear, wheels and axles, connecting and coupling rods, built up crank shaft with disc cranks and eccentrics, boiler mounting plates and other details, literature, drawing and notes. Modelled by C. Snowdon F.I.E.E, C.Eng., BSc. -- 16 3/8 x 29in (41.5 x 73.7 cm)