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he invented the instrument
thermometer
Bold Italic undrline
allows air to reach the thermometer so that it s temprature can be measured
to protect the instruments inside from the wind!
Insulted.
In the 1860s. I think. By Thomas Stevenson.
In the 1860s. I think. By Thomas Stevenson.
he invented the instrument
to prevent heat radiation and damage by people or animals
In observataries,the thermometers are kept in a wooden box with good ventilation and air movement.This box is called stevenson's screen
because it is
thermometer
to support
Stevenson Screen
[object Object]
To allow the air to circulate