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).
Spanners E.6392, assigning it the experimental number X.3033.
| Identifier | ExFiles\Box 36\3\ scan 055 | |
| Date | 17th May 1917 | |
| To Mr. Mills from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 1/AT17.5.17. X.3033.- SPANNERS E.6392 IN C.V.S. & C.H.N.S. In answer to your memo WD {Mr Wood / Mr Whitehead} /EM17/E17517 please note the above experimental number for this job. We shall be pleased if you will let us have copies of any instructions you issue relating to this. EFC. {E. Fowler Clarke - Electrical Engineer} | ||