Platinum pyrometer

1803,1830 Platinum pyrometer

The book of science

Tom Sharp

Louis-Bernard Guyton de Morveau, John Frederic Daniell thermometry Platinum pyrometer

Platinum pyrometer

Daniell’s Register-Pyrometer

Practical problems

Guyton’s pyrometer was essentially the same as Ferguson’s; however, whereas Ferguson intended his to measure the relative thermal expansions of different metals, Guyton intended his to measure absolute temperatures.

See also in The book of science:

Readings in wikipedia:

Other readings: