Description
9″ x 6″, 75 pages + index, illustrated with 48 b+w photographs and 28 drawings, 1972, a nice copy in a dust jacket, neat previous owners inscription. CONTENTS, introduction, 1 The Pioneers, 2 The Impact of WW I, 3 The tractor Trials of 1919, 4 American Influence, 5 The Tractor Mechanism, 6 The Work They Did, 7The Aisthorpe Trials of 1920, 8 Development up to 1930, 9 Some Veterans Still Working and Present Day Trends, index
