[OcTOBER 6, 1894. 212 carries eight pens, represent- order to obtain the register- ing the eight principal direc- ing of the principal phe- … ters the variations in baro- such as sulphide of carbon metric pressure is seen in the combined with water and A. Clockwork running eight months. B. Registering system of the barometer. C. Barometer. E. Pen of the ther- center of the engraving (Fig. E’. Reservoir of the thermometer. GGG. Motive…
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