> When manual reading of the temperatures was the norm For any wanting more information on one of the maximum and minimum thermometers: https://en.wikipedia.or

> When manual reading of the temperatures was the norm For any wanting more information on one of the maximum and minimum thermometers: https://en.wikipedia.org/wiki/Six%27s_thermometer https://en.wikipedia.org/wiki/Six%27s_thermometer which was invented back in 1780.