Abstract

THE British Association has recently received from Miss Hooker, daughter of Sir Joseph Hooker, a gift of the aneroid barometer which used to hang by the fireplace in Charles Darwin's ‘old study’ at Down House, where it will now be replaced. A small repair has been kindly carried out by Messrs. Negretti and Zambra, and the aneroid is in working order. The face bears the words “Holosteric Barometer” and beneath them the figure 19, but no maker's name; the usual verbal indications of weather conditions are provided, and the dial is graduated continuously round the whole circle, figured from 25 in. up to 31 in., the remaining arc, between 31 and 25 in., being also graduated, as the whole scale is, in fiftieth parts of an inch. A small label, affixed perhaps when the instrument came into Hooker's possession, bears the name of “C. Darwin”.

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