Jules Richard Recorder Thermometer Measuring Device.

This measuring device is a thermometer - recorder used in the past by all scientific, industrial, agricultural, private establishments, etc. which wished to have a detailed and continuous knowledge of temperature variations Designed by the engineers of Ets Jules RICHARD The registered device measurement using an arm fitted with an ink reservoir, which traces the variations on a graduated sheet fixed on a cylinder which turns on itself by a clockwork system. In good general condition (not tested), has its original key. length 26 cm, height with handle 16 cm, width 9.2 cm.

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