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The anemometer is an instrument used to measure the velocity of the wind.

Robinson Cup Anemometer

The anemometer is an instrument used to measure the velocity of the wind.

"Standard weather bureau kite and apparatus." -Department of Agriculture, 1899

Kite

"Standard weather bureau kite and apparatus." -Department of Agriculture, 1899

Standard hand reel for a weather kite used to study meteorology.

Kite Hand Reel

Standard hand reel for a weather kite used to study meteorology.

"The automatic hand or steam kite reel...is seen as it appears completely housed and not in use." -Department of Agriculture, 1899

Steam Kite Reel

"The automatic hand or steam kite reel...is seen as it appears completely housed and not in use." -Department…

The psychrometer (showing wet and dry bulb thermometers) is an instrument used for determining the humidity by the temperature of evaporation.

Psychrometer

The psychrometer (showing wet and dry bulb thermometers) is an instrument used for determining the humidity…

"The horizontal direction of the wind is usually observed by means of an instrument called the arrow wind vane, the head of the arrow pointing in the direction of approach of the wind. The arrow is free to revolve horizontally around a vertical axis placed near the head." -Waldo, 1896

Arrow Wind Vane

"The horizontal direction of the wind is usually observed by means of an instrument called the arrow…