Climate, Weather, Measurements, Summer card for a Campbell–Stokes sunshine recorder or Stokes sphere used by weather observers to monitor the hours of sunshine and showing 9.6 hours duration burnt int...

Climate, Weather, Measurements, Summer card for a Campbell–Stokes sunshine recorder or Stokes sphere used by weather observers to monitor the hours of sunshine and showing 9.6 hours duration burnt int...

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine with ob...

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine.

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine.

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine.

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine.

Climate, Weather, Measurements, Campbell–Stokes sunshine recorder or Stokes sphere on the top of the tallest building in Bognor Regis used by weather observers to monitor the hours of sunshine.

Climate, Weather, Measurements, Weather observer using a magnifying glass to read the a thermometer that records underground temperature at the Bognor Regis weather station.

Climate, Weather, Measurements, Female weather observer using a magnifying glass to take readings from the dry-bulb thermometer which measures relative humidity in the Stevensons Screen cabinet at Bog...

Climate, Weather, Measurements, Female weather observer using a magnifying glass to take readings from the wet-bulb thermometer or hygrometer which measures relative humidity in the Stevensons Screen...

Elderly woman reading an article with a magnifying lens.Aunt Fran age 92 suffering from macular degeneration a breakdown of light-sensitive cells in the central area of the retina making reading and...