Figure 64. Richard registering thermometer for use in great depths. This instrument recorded depths obtained by a bimetallic strip and was mounted in a water-tight caisson. Upper: registering device. Middle: recording paper. Bottom: water-tight caisson for protecting and housing the instrument. This instrument was first constructed between 1882 and 1891.
Photo Category: Oceanography
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Added On | 18th October 2015 |
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