Details
A 19th-Century vacuum pump,
unsigned, the double-action rack and pinion motion with brass and mahogany pillars, brass table, with urn and acorn finials, a pair of Magdeberg hermispheres and three bell jars, and a vacuum sphere with brass fitting
See Colour Plate 1
unsigned, the double-action rack and pinion motion with brass and mahogany pillars, brass table, with urn and acorn finials, a pair of Magdeberg hermispheres and three bell jars, and a vacuum sphere with brass fitting
See Colour Plate 1