A good scarce cased silver aneroid pocket barometer No 8058 by William Edmund Callaghan, London, with case by Albert Thomas Oliver c1903

A rare silver-cased bimetallic pocket thermometer by Johann Holtzman, Vienna c1850 - £1300

A very unusual early miniature rose engine turned silver aneroid pocket barometer altimeter No 66 by C.W. Dixey c1863

A good French silver pocket barometer, altimeter and compass compendium, probably by Maxant, c1895 - £795

A very good commemorative silver-cased aneroid pocket altimeter barometer by J. Hicks, No 8166, c1906, with case by Albert Thomas Oliver, to 20000ft

An exceptional Royal presentation silver pocket barometer compendium by Alfred Clark, London, with movement by Negretti & Zambra, c1900

An unusual antique silver watch-cased pocket barometer by Short & Mason, No 14, with case by Albert Thomas Oliver, retailed by Kilpatrick & Co, London & Melbourne, c1910 - £800

A fine antique first quality English silver-cased pocket barometer altimeter by J Hicks, London, No 7702, case by Albert Thomas Oliver, c1905 - £750

An important, very early, fine, silver-cased pocket barometer by Negretti & Zambra, London, No 575, hallmarked for 1863

A very fine and rare, first quality, engine-turned, silver-cased pocket barometer altimeter by L Casella, London, No 594, c1863, case by William Smiley