An early 20th century walnut cased barograph, Negretti & Zambra, London, with eight-tier bellows, lacquered brass, contained within a plain three-glass case with metal carrying handle, raised on a plain plinth, 29cm wide x 13.5cm deep x 16.5cm high. together with a copper-cased marine type thermograph, 27cm wide x 13cm deep x 16cm high. (2)