The order of a pressure gauge for a Bentley 11 torque measuring apparatus.
| Identifier | ExFiles\Box 133\4\ scan0359 | |
| Date | 14th March 1939 | |
| 1156 c. Rm {William Robotham - Chief Engineer} /GRY. {Shadwell Grylls} By {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 1/AW.14.3.39. BENTLEY 11. TORQUE MEASURING APPARATUS. REAR AXLE - SECTION 6120. Further to our memo By {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 1/AW.17.2.39 will you please order one Pressure Gauge, for use with this unit, from Messrs Hopkinsons Ltd., as follows:- Pressure Gauge, 8" diameter Dial, 9" diameter Flange, Connection screwed 3/8" B.S.P, to read up to 500 lbs per sq.in. and graduated in steps of 5 lbs per sq.in. as per figure 4000 on page 205 of Hopkinsons catalogue. Ald {F. Allwood - Experimental Design} By {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} | ||
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).