'Casella improved' sympiesometer by L. Casella, London, England, 1871-1880. 'Casella improved' sympiesometer, 1871-1880 1871-1880
Adie patent sympiesometer, Serial No. 1393, by Adie & Son, Edinburgh, Scotland, 1835-1857 Adie patent sympiesometer 1835-1857
Sympiesometer with 9-inch ivory scale, in case, by L. Casella, 1858. Air barometer or "sympiesometer", 1858. 1858
Pocket barometer with mercury and alcohol, and tube, by Joseph Rankin Stebbing, Canute Road, Southampton, England, 1845-1855 Pocket air barometer, or sympiesometer, 1845-1851. 1845-1855
Sympiesometer, by Mrs Janet Taylor, 104 Minories, London, England, 1845-1875 Sympiesometer, by Mrs Janet Taylor, London, 1845-1875 1845-1875
Marine barometer with sympiesometer by Thomas Cornelius Sargent, London, England, 1877 Marine barometer with sympiesometer, by Thomas Sargent, 1877 1877
Sympiesometer, No. 29, by Thomas Jones, 62 Charing Cross, London, England, 1818-1820 Sympiesometer, by Thomas Jones, 1818-1920 1818-1820
Pocket sympiesometer, invented by John George Harris Ronketti, in leather covered wooden case, made by Carpenter & Westley, 24 Regent Street, London, 1839 Pocket sympiesometer, 1839 1839