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Five wooden molecular model balls
- Made:
- circa 1810 in Manchester
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Molecular model formed of five wooden balls, made by Peter Ewart of Manchester, c.1810, and used by John Dalton for demonstrating his atomic theory, c, 1810-1842.
Dalton was a member, and presented his ideas at, the Manchester Literary and Philosophical Society ("lit & Phil"), 36 George Street, Manchester.
Details
- Category:
- Scientific Instruments & Research
- Object Number:
- Y1997.6.53
- Materials:
- wood (unidentified)
- Measurements:
-
3 joined spheres total: 89 mm x 88 mm, 29 mm,
large detached sphere: 39 mm 35.6 mm,
large end sphere of 3 joined: 35.6 mm,
middle sphere of 3 joined: 35.6 mm,
small detached sphere: 24.8 mm,
small end sphere of 3 joined: 24.8 mm,
- type:
- molecular model
- credit:
- Gift of Manchester Literary & Philosophical Society