Barraclough's thermodynamic surface model Barraclough's thermodynamic surface model and a copy of same 1925-1930
N.P.L. Horizontal projection machine, without stand or screen; dated 1916 N.P.L. Horizontal projection machine 1916
Screw pitch measuring machine 3"x7". Designed by N.P.L. and made by G. Cussons Ltd in 1942. Complete with R7/8" standard thread test piece Screw pitch measuring machine 3"x7" 1942
Screw pitch measuring machine designed by E. M. Eden designed c. 1915, at the NPL, Teddington, made c. 1919, with a wooden accessory box. Screw Pitch Measuring Machine 1915-1919
Projection screw thread measuring apparatus of 1917 Projection screw thread measuring apparatus of 1917 1917
Apparatus for measuring the modulus of torsion, by G. Cussons Ltd., Manchester Apparatus for measuring the modulus of torsion 1908-1971
Patent ribbon Atwood machine by G. Cussons Ltd, Manchester. Cussons & Johnsons Patent. With two timers Patent ribbon Atwood machine by G. Cussons Ltd 1920-1960
Demonstration models of engines. 1) Steam engine single cylinder with valves sectioned hand turned crank with single eccentric to work the valve., scales on cylinder, slide valve and crank show points of cut off. Made by Cussons Limited, The Technical Works, Broughton, Manchester. 2) Steam engine single cylinder with slide valve section fitted with Walshaerts valve gear expansion link. Hand turned crank with operating link on it. Made by Cussons Limited. 3) Horizontal Gas Engine, Four stroke engine, sectioned with three poppet valves, gas in let and exhaust. The valves should be driven from a crankshaft at the back which is turned by screw gears from the crankshaft. 4) Vertical four stroke sectioned engine with crankshaft piston, overhead inlet and exhaust below it at the side. Sparking plug that should spark. Made by Thomas Watt, Deansgate, Manchester. Mersey series No 279. Demonstration models of engines
1 of 4 demonstration models of engines. Model of steam engine single cylinder with slide valve section fitted with Walshaerts valve gear expansion link. Hand turned crank with operating link on it. Made by Cussons Limited. Demonstration model of the valve mechanism of a single cylinder steam engine
Water-cooled gas sampling system for vehicle emissions testing by G. Cussons Ltd. (to be drained of water before transit). On castors. Very incomplete, 1975 - 1980. Water-cooled gas sampling system for vehicle emissions testing by G. Cussons Ltd 1975-1980
model, scale 1:12, of roof of picture galleries west of the North Court, Victoria and Albert Museum Model of picture galleries roof at the Vistoria & Albert Museum
Clark's patent optical smoke box by G. Cussons Ltd., The Technical Works, Broughton, Manchester, No. P3365/29, post-1928 Clark's patent optical smoke box by G. Cussons Ltd. 1928-1971
model, scale 1:24, of Queen post roof erected over railway workshops at Worcester in 1845 by Sir John Fowler Model of Queen post roof, Worcester
1 of 4 demonstration models of engines. Model of Horizontal Gas Engine, Four stroke engine, sectioned with three poppet valves, gas in let and exhaust. The valves should be driven from a crankshaft at the back which is turned by screw gears from the crankshaft. Demonstration model of valve mechanism of a four stroke gas engine
1 of 4 demonstration models of engines. Model of vertical four stroke sectioned engine with crankshaft piston, overhead inlet and exhaust below it at the side. Sparking plug that should spark. Made by Thomas Watt, Deansgate, Manchester. Mersey series No 279. Demonstration model of vertical four stroke engine with crankshaft piston, sectioned
1 of 4 demonstration models of engines. Model of steam engine single cylinder with valves sectioned hand turned crank with single eccentric to work the valve., scales on cylinder, slide valve and crank show points of cut off. Made by Cussons Limited, The Technical Works, Broughton, Manchester. Demonstration model of a single cylinder engine, sectioned