An early 20th century mahogany cased barograph, the lacquered brass recording drum and mechanism detailed 'Short & Mason Ltd London', the hinged cover with two glazed panels and a brass handle, on a plinth base and bracket feet, length 31cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional charge of 6% (including VAT @ 20%) of the hammer price.