Cross-head, 1690-1710

Spherical cross-head by A. Baldantoni, Ancona, Italy, 1690-1710

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Spherical cross-head by A. Baldantoni, Ancona, Italy, 1690-1710
Science Museum Group
© The Board of Trustees of the Science Museum

Spherical cross-head by A. Baldantoni, Ancona, Italy, 1690-1710

Details

Category:
Surveying
Object Number:
1889-22
Materials:
brass (copper, zinc alloy) and paper (fibre product)
Measurements:
overall: 140 mm 70 mm, .235kg
type:
cross-head
credit:
Rogerson, R.G.