Edward Samuel Ritchie | |
|---|---|
| Born | August 18, 1814 |
| Died | 1895 (aged 80–81) |
Edward Samuel Ritchie (1814–1895), an American inventor and physicist, is considered to be the most innovative instrument maker in nineteenth-century America, making important contributions to both science and navigation.[1]
- ^ Warner, Deborah, Compasses and Coils: The Instrument Business of Edward S. Ritchie, Rittenhouse, Vol. 9, No. 1 (1994), pp. 1-24
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