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).
Graph showing the results of restriction tests on a Bentley Gallery Pipe using Motorine 'C' Oil at 30°.
| Identifier | ExFiles\Box 149\2\ scan0115 | |
| Date | 27th August 1935 | |
| BENTLEY GALLERY PIPE RESTRICTION TESTS MOTORINE "C" OIL AT 30° TEST Nọ 1---- ALL FITTINGS. " Nọ 2---- MINUS BANJO CONNS " Nọ 3---- " BEARING CAP PIPES " Nọ 4---- " OIL TUBE DELIVERY PTS/HR. Y-Axis Values: 900, 800, 700, 600, 500, 400, 300, 200, 100 BEARING NUMBER X-Axis Values: 1, 2, 3, 4, 5, 6, 7 GRAPH I Data Labels: 5 LB/SQ" TEST Nọ 4 20 LB/SQ" TEST Nọ 3 30 LB/SQ" " Nọ 2 30 LB/SQ" " Nọ 1 20 LB/SQ" " Nọ 2 20 LB/SQ" " Nọ 1 10 LB/SQ" " Nọ 3 10 LB/SQ" " Nọ 2 10 LB/SQ" " Nọ 1 5 LB/SQ" " Nọ 4 WB{Mr Brazier/Mr Bell} | ||