DISRAELI DOCUMENTS
see also UK Patent # 612,814 - Overhill 1945
see also Le Cycle 12/1948 - image of Overhill 2-Speed Self Change
see also Le Cycle 12/1948 - image of Overhill Massed Start 3
see also The London Gazette 11/1956 - Overhill
Overhill was based in Poole, England.
Overhill Two-speed 1945?