Mary Dicas
Mary Dicas dating history
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Details
| Birthday |
30th November, 1799
|
| Died |
1818
|
Mary Dicas became Mary Arstall (fl. 1800–1818) was a scientific instrument maker in Liverpool. Her company created thousands of hydrometers that were exported to America where Dicas & Co enjoyed a monopoly as the agreed instrument for calculating the tax on alcoholic beverages.
