Second counter
Small sand-glass
Equinoctial clock
Brass reporting half circle
Air bubble level
Spirit-level with levelling screws
Terrestrial globe
Celestial sphere
Copernican system
Octant made of false ebony and hivory
Inclined plane
Desaguliers tribometer
Atwood engine
Dual cone mechanical paradox
Apparatus for experimenting onthe free falling along the arch cords
Model of a jack
Apparatus for experimenting on centrifugal forces
Demonstration apparatus for the eart’s polar flattening

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