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).
Electrical experimental record sheet for a road test of British Carbons Brushes, grade equal to EG2.
| Identifier | ExFiles\Box 62\3\ scan0203 | |
| Date | 1st January 1932 | |
| X6065 X.No. Item No. ELECTRICAL EXPERIMENTAL RECORD SHEET. Description of item :- British Carbons Brushes, Grade equal to EG2 Date on. | Location. | REMARKS. | Miles reading start. | Miles covered. | Total miles. --- | --- | --- | --- | --- | --- 24-9-31 | 18 G IV | BC equivalent to std. EG2 brushes. Heating and commutation tests on bench. Fitted to dyn. Rq.Rx, 48, 4-4, 18, TP (.015"-.055"). | | | 12-10-31 | " | Reading taken | 200 | 9,234 | 9,234. | | | | 9,434 | | | | | | 122 | | 1-1-32 | " | " " | | Road test completed. | 3,317 | 3,195 | 12,429 | ||