Steam pressure gauge and recorder. Artwork of a self-registering steam pressure gauge with a dial (right) to show the reading and a rotating drum of paper (left) to record the reading. The gauge mechanism moves a pen across the steadily moving paper, with higher pressures moving the pen higher up the paper. This produces a permenent record of the variation in pressure with time. This is a British model, dating from the nineteenth to early twentieth century.
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Details
Creative#:
TOP03229032
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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