YPF
Our commitment is to generate the energy that is important for you, for your life, every day, to ……...
Mercury Stick Barometers from Russell Scientific Instruments
The influence of the clockmaker is evident in stick or cistern barometers which bear a passing resemblance to a long-case clock. They also proved to be more portable than banjo barometers. Barometers for marine use were fitted with gimbals so that they would remain upright in spite of a ship rolling and the tubes were designed to prevent the mercury surging. Wooden barometers were replaced by models with brass cases as they suffered less from the damp when at sea.
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