Disappearing-filament pyrometer


Disappearing-filament pyrometer

The book of science

Tom Sharp

Ferdinand Kurlbaum, Ludwig Holborn, Harmon Northrup Morse thermometry

Disappearing-filament pyrometer

Ideal emissivity

Disappearing act

The disappearing-filament pyrometer is great for measuring the temperatures of objects that are so hot they glow, but it was not the first to determine temperatures at a distance. That honor goes to Langley’s bolometer.

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