Leonardo’s Anemometer

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Within the frame of his studies about the flight, Leonardo designed an instrument for measuring the wind intensity and direction. In the so called “thin sheet anemometer”, the wind intensity is proportional to the shift of the thin sheet, measured along a graduated scale. The wind direction is shown by the position taken by the wind vane.

anemLeo-250pxIn the original Leonardo’s drawing (between 1483 and 1486), on folio 675 of the Codex Atlanticus Leonardo annotates: “A misurare quanta via si vada per ora col corso di un vento. Qui bisogna un orilogio che mostri l’ore, punti e minuti” (for measuring distance traversed per hour with the force of the wind. Here a clock for showing hours, points and minutes is required).

OLYMPUS DIGITAL CAMERAThe model, originally released in 2007, is made up with 21 pre-built parts, that can be assembled together without glue by means of the Removable Interlocking Pin System (RIPS). The complete set, inclusive of the assembling instructions, can be contained in an elegant kit box (to build).

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