Definition of "co-operative"

The "Liberation" Locomotive. Reprinted from The Railway Gazette, June 28, 1946. […] This detailed description of the 2-8-0 locomotives built by the Vulcan Foundry Limited for service in the war-ravaged countries of Europe is a record of one of the most remarkable examples of determined co-operative effort in the field of locomotive construction.

1947 January and February, “Railway Literature”, in Railway Magazine, page 63

At Futsing, in 1915, a school for boys was established which, because of its co-operative basis, was unique.

1948, Walter N. Lacy, A Hundred Years of China Methodism‎, Abingdon-Cokesbury Press, page 159

The solution to coach riding defects, at least, seems to require much more co-operative practical experiment by all engineering departments to achieve better sympathy between the vehicle body, its undercarriage and the track on which it rides.

1960 December, “The riding of B.R. coaches”, in Trains Illustrated, page 706