SEARCH Articles Figures Tables A 1 932 Rolls-Royce. Mounted on a separate steel chassis is an all-aluminium hand-beaten body by the famous coach building firm of James Mulliner. Any weight advantage due to the use of aluminium is totally outweighed by the poor weight-to-strength ratio of separate-chassis construction but the bodywork remains immaculate after 48 years of continuous use [Publishers Imprint] [Publishers Imprint]