Symons earth thermometer
1964
Symons earth thermometer
1880-1889
Symons earth thermometer
1952
Symons earth thermometer
1966
Aneroid Barometer, 1848
1848
Standard mercury thermometer, by Ronketti, 1846
1846
Standard mercury thermometer, 1854
1854
Screen mercury thermometer, sheathed, 1985
1985
Dollond family standard mercury thermometer, 1875-1893
1875-1893
Multi-scale mercury thermometer, 1860-1880
1860-1880
Earth thermometer
1985
Mercury thermometer in case
Pair of miniature thermometers on ivory scales
1800-1850
Mercury thermometer
1928-1954
Mercury-in-glass thermometer in cardboard case measuring in the range -20 to 360 degrees Centigrade
1850-1924
Mercury total immersion thermometer
1966
Mercury full immersion themometer
1950-1989
Mercury immersion thermometer made
1950-1989
Mercury nitrogen-filled total immersion thermometer
1954-1999
Mercury nitrogen-filled immersion thermometer
1952
Mercury immersion thermometer
1979-1984
Mercury immersion thermometer
1950-1989
Mercury-in-glass thermometer mounted on white tile (broken) and wood
1850-1924
Mercury-in-glass thermometer in metal case
1850-1924
Mercury full immersion nitrogen filled thermometer
1950-1989
Mercury full immersion nitrogen-filled thermometer
1950-1989
Mercury total immersion nitrogen filled thermometer
1950-1989
Mercury total immersion thermometer
1950-1989
Mercury nitrogen-filled immersion thermometer
1954-1989
Mercury total immersion nitrogen-filled thermometer
1950-1989
Mercury total immersion nitrogen-filled thermometer
1967
Mercury immersion thermometer
1950-1989
Mercury total immersion nitrogen filled thermometer
1955-1969
Mercury total immersion nitrogen-filled thermometer
1950-1989
Mercury immersion thermometer
1979-1989
Mercury immersion thermometer
1950-1975
Mercury thermometer
1990-1999
Mercury thermometer
1990-1999
Mercury nitrogen-filled immersion thermometer
1950-1989
Alcohol thermometer
1985-1995
Mercury total immersion thermometer
1954-1999
Mercury Thermometer by E. Cetti & Co., 1802-1848
1802-1848
Mercury Thermometer by E. Cetti & Co., 1802-1848
1802-1848
Mercury Racking Thermometer by Dallaway, 1799-1809
1799-1809
Mercury in glass oven thermometer in hinged base
1960-1979
eights and mercury thermometer from the Castlereagh Collection for Constantinople (Turkey), and original correspondence for Constantinople and Iona
1800-1818
Bath thermometer
1830-1920
Bath thermometer
1830-1920
Bath thermometer
1830-1920
Bath thermometer
1830-1920