![](http://www.alamy.com/thumbs/6/90704C25-9F86-47D6-B014-112F2BF4FFA5/AD35DR.jpg)
Casella Thermohygrograph
Size: 5020px × 3360px
Photo credit: © charistoone-images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: atmosphere, british, casella, chart, coloured, continuously, drawing, humidity, instrument, measurement, meteorological, meteorology, office, record, relative, science, station, temperature, thermohygrograph, thermohygrographs, time, traces, weather, white