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Measuring and Forecasting the Weather, A solid glass concentrates the…
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A solid glass concentrates the sun’s rays onto a strip of card which can ultimately indicate the hours of sunlight in a day.
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This measures wind speed. It has three cups which rotate with the wind, recording each rotation allows wind speed to be measured.
This is a free moving arrow on a high mast which is blown in the direction that the wind is blowing, allowing people to know if it is easterly, westerly, northerly or southerly wind.
A partially buried cylinder in an open space that collects rain water, and measures it in millimeters.