How to design an actually good toaster with lessons from the 1940's
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Further reading 1
Caption notes
An early toaster aims its thermostat at the bread surface. A warm toaster and a cold slice alter the time needed for the same result. Sensing the bread can compensate for conditions a fixed timer cannot observe.
Archived captions (transcription method unspecified) ↗Original passages · 2
Having the thermostat react to the surface temperature of the breadIt not only compensates for a hot toaster, but for cold bread.