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Image
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Source
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Observations
from the source
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Gallenkamp (1930s)
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Rain gauge
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Gallenkamp (1930s)
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Rain gauge
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Gallenkamp (1930s)
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Rain gauge
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Gallenkamp (1930s)
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Rain gauge
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Gallenkamp (c. 1939)
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RAIN GAUGE, Howard’s
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Gallenkamp (c. 1939)
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RAIN GAUGE, Symon’s, or British
Association pattern
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Gallenkamp (c. 1939)
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RAIN GAUGE, Glaisher’s, of stout copper
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Gallenkamp (c. 1939)
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RAIN GAUGE, RECORDING,
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Gallenkamp (c. 1939)
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The “ Hyetograph ”
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Gallenkamp (c. 1939)
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THE ** WILSON ” SELF-REGISTERING DIAL
RAIN GAUGE
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