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).
Specification sheet for piston ring part numbers for 3½ & 4¼ Litre Bentley and Phantom III models.
| Identifier | ExFiles\Box 103\2\ scan0006 | |
| Date | 11th July 1939 guessed | |
| PISTON RINGS 3½ Litre Bentley Phantom III STANDARD 1. EB.2377 2. EB.3077 3. EB.3449 .005 o/s 1. EB.3078 2. EB.3088 3. EB.3450 .010 o/s 1. EB.3079 2. EB.3089 3. EB.3451 .015 o/s 1. EB.3080 2. EB.3090 3. EB.3452 .020 o/s 1. EB.3081 2. EB.3091 3. EB.3453 .025 o/s 1. EB.3082 2. EB.3092 3. EB.3454 .030 o/s 1. EB.3083 2. EB.3093 3. EB.3455 .035 o/s 1. EB.3084 2. EB.3094 3. EB.3456 .040 o/s 1. EB.3085 2. EB.3094 3. EB.3457 4¼ Litre Bentley STANDARD 1. E.60820 2. E.61123 3. EB.3122 .005 o/s 1. E.61152 2. E.61184 3. EB.3353 .010 o/s 1. E.61153 2. E.61185 3. EB.3354 .015 o/s 1. E.61154 2. E.61186 3. EB.3355 .020 o/s 1. E.61155 2. E.61187 3. EB.3356 .025 o/s 1. E.61156 2. E.61188 3. EB.3357 .030 o/s 1. E.61157 2. E.61189 3. EB.3358 .035 o/s 1. E.61158 2. E.61190 3. EB.3359 .040 o/s 1. E.61159 2. E.61191 3. EB.3360 Diagram labels: ①, ②, ③ | ||