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Marine thermometer by Negretti and Zambra

1890

Variable-frequency radiosonde, 1940

1940

Standard mercury thermometer, 1854

1854

Diapositives of Photographs of Sunspots taken by Elizabeth Beckley with the Kew Photoheliograph

1870

Diapositives of photographs of sunspots taken by Elizabeth Beckley with the Kew Photoheliograph

1870

Ebert ion counter

1938

Diapositives of photographs of sunspots taken by Elizabeth Beckley with the Kew Photoheliograph

1870-09

Mercury-in-glass standard thermometer, from Kew Observatory, marked No.9, 1850s. Scale 0 to 62 degrees

Mercury-in-glass standard thermometer

1850-1852

Standard mercury-in-glass thermometer with white back, enclosed in outer glass shield with further mercury at bulb end. Shield marked `No2. Enclosed 1875', from Kew Observatory. Adapted 1876. Scale 0 to 14.6

Standard mercury-in-glass thermometer with white back

3 photographs of sunspots (Nos.3,12 & 23) of the 39 taken on the photoheliograph at Kew Observatory by Elizabeth Beckley in 1870, Sept 21-24, 26-29.

Diapositives of photographs of sunspots taken by Elizabeth Beckley with the Kew Photoheliograph

1870

Standard mercury-in-glass thermometer with white back, enclosed in glass shield with further mercury added. Shield marked `No3. Enclosed 1876', from Kew Observatory. Adapted 1876. Scale 0 to 13

Standard mercury-in-glass thermometer with white back

Standard mercury-in-glass thermometer, signed Kew Observatory, September 11851. Scale 0 to 65 degrees

Standard mercury-in-glass thermometer

1851

Mercury-in-glass standard fahrenheit thermometer. Marked No.134 Kew Observatory, June 1854. Scale -5 to 134 degrees

Mercury-in-glass standard fahrenheit thermometer. Marked No.134 Kew Observatory

1854

Mercury-in-glass standard thermometer marked `Kew standard No.683 Kew Observatory February 1889' and initialled [J.F.]? with white backing to scale. Scale -29 to 280 degrees

Mercury-in-glass standard thermometer

1889

Mercury-in-glass standard fahrenheit thermometer. Marked No.130 Kew Observatory, June 1854. Scale 4 to 136 degrees

Mercury-in-glass standard fahrenheit thermometer. Marked No.130 Kew Observatory

1854

Standard mercury-in-glass fahrenheit thermometer, signed No.113, Kew Observatory, June 1854. Scale 0 to 125 degrees

Standard mercury-in-glass fahrenheit thermometer

1854

Standard mercury-in-glass fahrenheit thermometer, signed Kew Observatory, July 1853. Scale 5 to 120 degrees

Standard mercury-in-glass fahrenheit thermometer

1853

Standard mercury-in-glass fahrenheit thermometer, signed Kew, April 1852, No.35. Scale -39 to 130 degrees

Standard mercury-in-glass fahrenheit thermometer

1852

Standard spirit-in-glass thermometer, signed Kew, April 1952, S8. Scale -75 to 95 degrees

Standard spirit-in-glass thermometer

1852

Mercury-in-glass standard fahrenheit thermometer form Kew Observatory, numbered 8, 1850s. Scale 0 to 65 degrees

Mercury-in-glass standard fahrenheit thermometer form Kew Observatory

1850-1852

Mercury-in-glass standard fahrenheit thermometer, from Kew Observatory, marked 16 or 21, 1850s. Scale 0 to 70 degrees

Mercury-in-glass standard fahrenheit thermometer

1850-1852

Mercury-in-glass standard fahrenheit thermometer from Kew Observatory, No.7, 1850s. Scale 0 to 55 degrees

Mercury-in-glass standard fahrenheit thermometer from Kew Observatory

1850-1852

Standard mercury-in-glass white-backed thermometer, marked 1856, inside further glass tube with mercury bulbmarked `No1 Enclosed 1874'. From Kew Observatory. Scale 0 to 11

Standard mercury-in-glass white-backed thermometer

1856

Standard mercury-in-glass centigrade thermometer, signed Kew, April 1852, No.19. Scale -40 to 130 degrees

Standard mercury-in-glass centigrade thermometer

1852

Mercury-in-glass standard fahrenheit thermometer, marked `Kew April 1852 No.45'. Scale -40 to 120 degrees

Mercury-in-glass standard fahrenheit thermometer

1852

Mercury-in-glass stgandard fahrenheit thermometer, from Kew Observatory, No.11, 1850s. Scale 0 tgo 64 degrees

Mercury-in-glass stgandard fahrenheit thermometer

1850-1952

Standard mercury-in-glass fahrenheit thermometer, signed Kew Observatory, July 1853, No. 33. Scale 10 to 214 degrees

Standard mercury-in-glass fahrenheit thermometer

1853

Set of 12 experimental thermometers, from Kew Observatory, attributed to J. Hicks. Mercury in glass, uncalibrated, various tube bores. Dated 1885

Set of 12 experimental thermometers

1885

Modified Symons earth thermometer, by Hicks, with iron tube.

George James Symons type thermometer,

1917