[2] Manufacturing took place in the factory of the Handley Page aircraft company in Cricklewood London.

[2] Macklin left the company in 1920 to concentrate on his Silver Hawk car and by 1921 Eric-Campbell were in financial difficulties.

[3] The Eric-Campbell 10 (10/22 in 1924) was assembled from bought-in components with a Coventry-Simplex 1498 cc, four cylinder, side valve engine driving the rear wheels through a cone clutch and three speed Moss gearbox.

Two cars were entered in the tenth Targa Florio race in Sicily, held on 23 November 1919 and comprising 4 laps of the 108 kilometre Madonie circuit.

[4][5] In April and May 1920 Violette Cordery took part in two British Motor Cycle Racing Club handicaps driving an Eric-Campbell.