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).
Laboratory report on the calibration of two A.R.I.C. distance thermometers.
Identifier | ExFiles\Box 78\1\ scan0232 | |
Date | 23th August 1927 | |
Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X35765 H11/EA23.8.27. Laboratory. Report No.L930. Re 2 A.R.I.C. Distance Thermometers sent in for calibration 22.8.27. Thermometer Reading oC 30 40 50 60 70 80 90 100 Nickel Plated dial reading. 34.5 * 34.5 * 45 59.5 69 80 90 100 All black dial reading. 30 33.5 45 58.5 69 80 90 100 Upon reaching 100oC, the water, in which all three were immersed, was boiled for half an hour. The whole was then allowed to cool down, no appreciable difference in the readings being noticed. The thermometers are returned herewith. * This stationary tendency was confirmed Hl. HC | ||