From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Table listing modifications and remarks for various vehicle sections, including the radiator, starting handle, and governor.
| Identifier | ExFiles\Box 69\3\ scan0103 | |
| Date | 1st March 1925 guessed | |
| -4- Section. | Description of Modification. | Remarks. ---|---|--- Radiator Contd. | Loss of water - nozzle for top tank similar to 40/50HP & 20HP. | Inlet Nozzle E.73239 instructed experimentally. Starting Handle. | Dog with 3 milled teeth similar to 20HP. | Instructed Experimentally. Undersheets. | 25 sets of original open undershields instructed. 300 sets of material ordered. | We are now detailing louvred undershields at present being made in Exptl:Dept: | Flexible setting of thermometer connections, with coils will require increased length of tubing and modified dashboard drilling. | We are preparing scheme for Mr Elliott's approval. Water Pump Drive and Throttle Governor. | Throttle Governor Camshaft Return Spring. | Torsional Spring E.73172 instructed experimentally. Scheme in hand for Mr Elliott with compression spring involves several new parts. | ||