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).
Instructions detailing the specifications for a mercury thermometer, including its range, accuracy, and packaging.
| Identifier | ExFiles\Box 63\1\ scan0058 | |
| Date | 5th December 1922 | |
| RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) 108616 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No. Customer's No. Re J.B.64 4 Mercury is used instead of coloured alcohol, as in the case of the P&R.{Sir Henry Royce} 5 It reads correct to within 2° fah. as the Chloride Co state. (in this case it reads 2° high) 6 The scale covers all the likely temperatures to be experienced from 40° up to 140° fah. 7 It is packed in a small box just large enough for it to fit comfortably. Signed f.J. This Sheet must be filed on completion of the work. | ||