Part 100 — BRITISH.

A.B.C. All British Engine Co., Ltd., Brooklands, Surrey. GREEN. Green Engine Co., Ltd., 455, Berners Street, London, W.

30 h.p., 4 cyl., 95×80 (1450 r.p.m.) 155 lbs. 45 h.p., 6 cyl., 95×80 (1450 r.p.m.) 225 lbs. 60 h.p., 8 cyl., 95×80 (1450 r.p.m.) 231 lbs. 85 h.p., 6 cyl., 125×105 (1700 r.p.m.) 290 lbs. 115 h.p., 8 cyl., 125×105 (1400 r.p.m.) 380 lbs. 170 h.p., 12 cyl., 125×105 (1400 r.p.m.) 520 lbs. 225 h.p., 16 cyl., 125×105 (1400 r.p.m.) 640 lbs. V type, water-cooled (pump). H.T. magneto. Mechanical inlets. Forced lubrication. Features.-- Steel cylinders (steel and copper jackets). Overhead vertical valves. Cast-steel crank case. Nickel chrome crank shaft, white metal bearings. 30-35 h.p., 4 cyl., 105×120 158 lbs. 50-60 h.p., 4 cyl., 140×146 263 lbs. 90-100 h.p., 6 cyl., 140×152 298 lbs. Vertical, water-cooled (pump). H.T. magneto. Mechanical inlets. Forced lubrication. Features.-- Cast-iron cylinders. Overhead cam shaft. Copper jackets. Nickel chrome crank shaft. Overhead valves. White metal bearings.

N.E.C. New Engine (Motor) Co. Ltd., 9, Grafton Street, Bond Street, London, W. WOLSELEY. Wolseley Tool & Motor Car Co., Ltd., Adderley Park, Birmingham.

50 h.p., 4 cyl., 95×115 (1250 r.p.m.) 205 lbs. 90 h.p., 6 cyl., 96×115 (1250 r.p.m.) 405 lbs. Two stroke vertical for the 90 h.p. V for the 50. H.T. magneto. Valveless. Forced lubrication. Features.-- Pistons after uncovering exhaust ports open the inlet ports. Air from blowers scavenges. Strong mixture enters immediately on compression stroke. This is effected by a central mechanism. (N.B. Older types see previous editions.) 60-80 h.p., 8 cyl., 95×140, type A 325 lbs. 60-80 h.p., 8 cyl., 95×140, type B 345 lbs. 60-80 h.p., 8 cyl., 95×140, type C 315 lbs. 60-80 h.p., 8 cyl., 95×140, type D 335 lbs. 120 h.p., 8 cyl., 125×175 (1150 r.p.m.) 630 lbs. V type. Types A and B of the 60-80 air-cooled (water-cooled exhausts). The others water-cooled. Types A and C of the 60-80 are for direct coupling of propeller, with double thrust ball bearings. Types B and D geared to half crank shaft speed. Bosch dual ignition. Mechanical inlets. Forced lubrication. Features.-- Steel cylinders (single). Overhead valves (removable seats). Carburettor between cylinders. Nickel chrome crank shaft, on 3 bearings.