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).
Specification sheet detailing the weight of a capillary tube thermometer.
| Identifier | ExFiles\Box 78\1\ scan0146 | |
| Date | 7th April 1919 | |
| EH/AT7.4.19. X.3565.-CAPILLARY TUBE THERMOMETER. The weight of the above thermometer complete with tubing is .75 lb. | ||