A fine vulcanite and lacquered brass 'Rymer-Jones' key, by H.W.Sullivan Ltd - 9½in. (24.1cm.); a tangent galvanometer with mahogany frame; a Daniell's hydrometer; a lacquered brass galvanometer; a lacquered brass galvanometer by Nalder Bro's & Co; and a post-office box by BAIRD & TATLOCK(London)ltd - 15in. (38cm.) wide (5)