| | | Author: | Anonymous | Requires cookie* | | | Title: | [Eclipses of the sun and moon, 1820-1838], n.d.
| | | | Dates: | Circa 1820-1838 | | | | Abstract: | This collection of astronomical calculations from 1786-1838 consists of various loose notes on eclipses and solar/lunar calculations, including information on an eclipse as witnessed in Canton and Philadelphia. The collection also has a folio size bound volume that diagrams (sometimes with color added) eclipses for the years 1818, 1820, 1822, 1823, 1824, 1829, 1838, as observed in Philadelphia.
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| | | | Call #: | Mss.521.8.Ec6 | | | | Extent: | 1 volume(s) | | | | Topics: | Science and technology | | | | Genre: | Scientific Data | | | | Subjects: | Astronomy. | Eclipses. | |
| | Author: | Grew, Theophilus,d. 1759. | Requires cookie* | | | Title: | Tables of the sun and moon fitted to the meridian of Philadephia, [1746-1761], n.d.
| | | | Dates: | n.d. | | | | Abstract: | Theophilus Grew was an astronomer, teacher, and author in Philadelphia. He provided astronomical calculations for many almanacs, including Poor Richard's. This single volume contains Grew's astronomical calculations for 1746-1761 for Philadelphia, which likely served as the basis for data used in almanacs. He was also a teacher. He ran a school before joining the early faculty in what would become the University of Pennsylvania. The volume can shed light on astronomical methods and calculations in early America, and what type of methods may have been taught to students in 1750s Philadelphia.
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| | | | Call #: | Mss.524.G86t | | | | Extent: | 1 volume(s) | | | | Topics: | Education | Science and technology | | | | Genre: | Scientific Data | | | | Subjects: | Astronomy -- Charts, diagrams, etc. | Eclipses. | Spherical astronomy. | |
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