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| Meteorology |
| Stevenson's Screens |
A Stevenson's screen is used to shield instruments against rainfall and direct heat radiation from outside sources. The screen allows air to circulate and provides a uniform environment in relation to the air outside the screen.
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1292 |
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Small instrument screen
Holds a U-tube maximum/minimum thermometer or could hold an ordinary thermometer, or a pair of ordinary thermometers - one wet bulb and one dry bulb - to make a Mason's hygrometer.
Interior dimensions: 325mm x 180mm x 95mm
Exterior dimensions: 345mm x 230mm x130mm
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1290 |
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Medium Stevenson's screen
Medium size screen designed to hold wood-backed maximum and minimum thermometers and a pair of thermometers, one wet bulb and one dry bulb, to create a hygrometer.
Interior dimensions: 435mm x 250mm x 445mm
External dimensions: 585mm x 405mm x 668mm
Weight: 14Kg
Also available metal stand, catalogue number 1293, that can be set into the ground to hold the screen at the recommended height. Black powdered coated finish. 1130mm from ground to bottom of screen legs. Weight: 10Kg
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1291 |
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Large Stevenson's screen
Designed to hold two recording instruments, thermograph and hair hygrograph and sheathed pattern thermometers. Manufactured from seasoned timber to a British Meteorological Office design.
Interior dimensions: 420mm x 1015mm x 290mm
Exterior dimensions: 583mm x 1220mm x 500m
Weight: 32 Kg
Metal stand, catalogue No 1294
A metal stand that can be set into the ground to hold the screen at the recommended height. Black powder coated finish. 1120mm from ground to bottom of screen legs.
Dimensions: 1380mm x 1240mm x 510mm
Weight: 14 Kg
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