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 of cylinder wear particulars for December 1938, showing nominal and oval amounts in thousandths of an inch.
| Identifier | ExFiles\Box 103\2\ scan0057 | |
| Date | 4th January 1939 | |
| TO By.{R.W. Bailey - Chief Engineer} c.to Mx.{John H Maddocks - Chief Proving Officer} Rm{William Robotham - Chief Engineer}/GWH{George W. Hancock - Head Chateauroux} file. W/Kingsbury. 4th. January. 19 PARTICULARS OF CYLINDER WEAR DURING DECEMBER, 1938. Shewing amounts plus nominal and oval in thousandths of an inch. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 1:12:38 B.111 E.J. 38195 .007 .002 .007 .0015 .007 .003 .0065 .002 .007 .0025 .0055 .0005 3 +2 1:12:38 B.194 A.H. 52928 .004 .001 .0055 .0005 .0045 .001 .004 .001 .004 .001 .004 .001 All +5. 1:12:38 B. 60 A.H. 27439 .002 .0005 .0025 .0005 .003 .001 .002 .001 .002 .001 .002 .001 4+2 2:12:38 B. 36 "J.D." 42400 .009 .0045 .009 .0045 .008 .002 .0065 .002 .0065 .0005 .0055 .0015 2:12:38 B. 37 "H.M." 14571 .001 .0025 Nil .003 .003 .001 .0025 .0005 .0025 .0005 .0025 .0005 5 +1 2:12:38 B. 11 "H.M." 9503 .0015 .0005 .001 .0005 .002 .0015 .001 .0005 .001 .0005 .002 .0015 All +15 (H.81) 3:12:38 B. 62 E.F. 36335 .007 .003 .0055 .0005 .006 .001 .006 .001 .005 .0005 .0055 .0005 All +1 5:12:38 B.117"J.Y." 32148 .0055 .002 .006 .003 .005 .0005 .0045 .001 .006 .002 .005 .0015 3,4 &6 +½ 6:12:38 B.134"K.T." 19467 .004 .002 .0045 .0015 .003 .0005 .0035 .001 .004 .001 .003 .002 1,3 &4+½,6 +1. 6:12:38 B. 7 B.N. 40841 .008 .001 .0095 .0005 .0095 .0005 .008 .0025 .007 .002 .0065 .0015 Rebore. 6:12:38 B.202"G.A." 33324 .007 .003 .0075 .0035 .007 .0015 .007 .002 .0055 Nil .0055 .0005 Rebore. 7:12:38 B.142 A.H. --- .0065 .0015 .0065 .001 .008 .002 .007 .002 .006 .002 .006 .001 Rebore. 7:12:38 B.126"H.K." 31534 .0045 .002 .0055 .003 .004 Nil .0055 .0035 .004 .001 .0035 .004 7:12:38 B. 25 B.N. 57306 .007 .001 .006 .001 .008 .0025 .006 .001 .006 .0015 .005 .001 1 &2 +1, 2 +2. 7:12:38 B. 21 A.E. 71364 .008 .0005 .007 .0005 .0095 .0025 .007 .0015 .006 .001 .005 .0005 Rebore. 7:12:38 B. 27 F.C. 30574 .008 .004 .008 .0035 .008 .0025 .0075 .0025 .007 .003 .007 .0045 Rebore. 9:12:38 B. 20"J.D." 18273 .0025 .001 .0025 .0005 .0025 .0005 .0035 .001 .003 .0005 .003 .0005 9:12:38 B. 90 B.N. 42966 .0085 .0015 .009 .003 .0095 .0035 .0055 .001 .005 .001 .004 .0005 2,3 &5 +1. 12:12:38 B.114"G.A." 582 .002 Nil .0025 .0005 .0015 .0005 .003 .001 .002 .0005 .002 .001 All +15 (H.66) 12:12:38 B.189"G.P." 929 .0025 .001 .002 .001 .002 .0005 .003 .0015 .001 .001 .001 .0005 All +10 (H.67) 13:12:38 B. 40 C.R. 50161 .006 Nil .007 .002 .007 .0025 .005 Nil .006 .001 .006 .001 2 +1 13:12:38 B. 10 B.N. 54586 .008 Nil .0085 .001 .0095 .0005 .0085 .002 .006 .0015 .006 Nil 14:12:38 B. 42"J.D." 26412 .008 .0045 .005 .001 .0065 .003 .0065 .002 .0055 .001 .006 .0005 3 &4 +1 15:12:38 B.149"K.U." 21233 .007 .004 .006 .0025 .0055 .002 .004 .0015 .004 .001 .003 .0005 3 +½, 4 +1. 16:12:38 B.186"K.T." 22402 .0075 .003 .0065 .0025 .0065 .0005 .0055 .001 .0045 Nil .0045 .0005 1,3 &6 + ½ 19:12:38 B.182"G.A." 61569 .009 .004 .011 .006 .0095 .0025 .007 .0035 .0045 .001 .006 .002 Rebore. 20:12:38 B.106"K.T." 14924 .005 .0025 .0045 .0015 .004 .0005 .0045 .0015 .004 .001 .005 .001 1 &3 +½,4,5&6.+2. 21:12:38 B.215 F.C. 24848 .005 .003 .005 .0025 .006 .002 .005 .0025 .004 .002 .003 .001 | ||