Day 284 – Barometer
Barometer. Thermometer and Hygrometer. Mid-Century perhaps. Leonardo da Vinci built the first crude hygrometer in the 1400s. I thought this was a…
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Day 157 – Book: Short History of Scientific Ideas to 1900
Short History of Scientific Ideas To 1900. Charles Singer. Oxford University Press. The title makes me wonder if someone has published the…
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Obsolescence Project 