Four pocket barometers, the first inscribed for 'J. Lizar Ltd, Glasgow, Edinburgh etc' and `Compensated' back with presentation engraving, altimeter 0 - 10,000 feet, 7cm overall diameter, in a leather case, the second marked `Stormy', 'Rain', 'Change', 'Fair', 'Very Dry' in large letters, 6.5cm (2 1/2in) diameter overall, in a brown leather viewing case, the third German, the dial inscribed 'Albert Schaffer, Cassel', with altimeter 0-4000 metres, 4.75cm diameter overall, and the fourth with a dial inscribed 'Lilley and Son, London, Compensated' 0-8000, 5cm (2 in) diameter overall, in a leather case (4)