The Potomak almanac, or the Washington ephemeris, for the year of our Lord 1793 [electronic resource] : ... The astronomical part of this work is adapted to the latitude and meridian of the city of Washington;--but will, without sensible error, serve the neighbouring states.
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| Format: | Electronic eBook |
| Language: | English |
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George-town, (Potomak) :
Printed and sold by James Doyle,
[1792]
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