Bus Washer Improvements

A DEVICE designed particularly for cleaning the front, roof and rear of a bus forms the subject of patent No. 877,016. (R. Edgley Cox, 68 Highgate Road, Walsall, Staffs.) As......

Temperature-controlled Fan Drive

A HYDRAULIC coupling for incorporation in the drive of a fan is disclosed in patent No. 876,609. Its purpose is to maintain a constant cooling-water temperature. (Serck......