Museo Galileo
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Virtual Museum
Rotating diaphragm
    • Setting:
      Room XV
    • Maker:
      unknown
    • Date:
      second half 18th cent.
    • Materials:
      brass, wood
    • Dimensions:
      177x214 mm
    • Inventory:
      2567
    • Rotating diaphragm (Inv. 2567)

The wooden frame holds a decorated brass plate with a central aperture. Inside the aperture is set a rotating disk with a rectangular slit, which acts as a diaphragm.