EditorialTellurium-planetarium, driven by crank and wheels, shows the orbits of Mercury, Venus, earth and moon around the sun in corresponding rotation times. Signed " John Handsford, Bristol" Around 1780, 60 cm across.
EditorialCrank with knob, part of the planetarium, tellurium, lunarium, Device with which the movement of sun, earth, moon and planets can be represented clearly. Metal crank with wooden knob. This can be placed on a rod that protrudes from the base at the bott...
EditorialTellurium-planetarium, driven by crank and wheels, shows the orbits of Mercury, Venus, earth and moon around the sun in corresponding rotation times. Signed " John Handsford, Bristol" Around 1780, 60 cm across.
EditorialCrank with knob, part of the planetarium, tellurium, lunarium, Device with which the movement of sun, earth, moon and planets can be represented clearly. Metal crank with wooden knob. This can be placed on a rod that protrudes from the base at the bott...
EditorialTellurium-planetarium, driven by crank and wheels, shows the orbits of Mercury, Venus, earth and moon around the sun in corresponding rotation times. Signed " John Handsford, Bristol" Around 1780, 60 cm across.
EditorialTellurium-planetarium, driven by crank and wheels, shows the orbits of Mercury, Venus, earth and moon around the sun in corresponding rotation times. Signed " John Handsford, Bristol" Around 1780, 60 cm across.
EditorialTellurium-planetarium, driven by crank and wheels, shows the orbits of Mercury, Venus, earth and moon around the sun in corresponding rotation times. Signed " John Handsford, Bristol" Around 1780, 60 cm across.