H.d. Oils Lengthen Engine Life L.t.e. Experiments Prove...

of Detergent Oils is justified H EAVY-DUTY oils were proved in a three-year test conducted by the London Transport Executive with oil-engined vehicles to increase mean engine......

First British Trolleybuses For Colombo

"OLOMBO, capital city of Ceylon, is joining the growing number of overseas capitals hich have started the operation of trolleybuses ittt British vehicles. The first of 20......