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Note: This is a sub-section of Vulcan Motor and Engineering Co
1902 Built the first Vulcan car which was a 4 hp single cylinder belt driven model.
1903 This grew to 6.5 hp and the chassis was now "armoured ash".
1904 Twin cylinder 1.5 litre models followed with steel chassis
1905 2 then 3 litre four-cylinder types appeared
1906 Produced 10, 14, 18-20 and 25-30 h.p. models with shaft-drive. The smallest engine was two-cylinder and the others had four. 
1908 The six-cylinder model grew to 6 litres
1909 December. Details of the 12-hp car.
1910 July. Details of the 15.9-hp car.
1911 October. Details of the new 19.6hp (4) and 29.4hp (6) models and the existing 15.9hp (4).
1912 A new small car, the 10/12 of 1.8 litres with two cylinder Aster engine was added, the first use of a bought in engine.
1913 April. Advert for the 15-20 hp model 'Reliability Repeatedly Reaffirmed'
1913 November. Details of the models for next year: 10-15hp, 15.9hp, 15-20hp and the 25-30hp.
1913-1917 For a list of the models and prices of Cars see the 1917 Red Book
1914 October. Details of the new 1,452cc model plus the 15hp (old 'Popular'), 15-20hp (old 15.9hp), 20-25hp (old 15-20hp) and the 25-30hp (six-cylinders).