Museo Galileo
Virtual Museum
Portable barometer
    • Setting:
      Room XV
    • Maker:
    • Date:
      first half 19th cent.
    • Materials:
      wood, brass, glass
    • Dimensions:
      height 997 mm
    • Inventory:
    • Portable barometer (Inv. 1146)

Barometer enclosed in an opening mahogany cylinder, with two windows for observing the mercury level in the two arms of the siphon barometric tube. The barometric scales are in Paris inches and the readings are taken by means of a vernier. The instrument carries the names of twenty-two mountains with the average mercury levels at their respective altitudes. There is a mercury thermometer.