BAROGRAPHS AND ANEROID BAROMETERS
A barograph,
细节
A barograph,
by Wilson Warden & Co Ltd London, No. 3395/40, the lacquered-brass mechanism with accessory drawer and glazed hinged mahogany cover 12½in. (31.7cm.) wide
by Wilson Warden & Co Ltd London, No. 3395/40, the lacquered-brass mechanism with accessory drawer and glazed hinged mahogany cover 12½in. (31.7cm.) wide