The description and use of a proportional camera obscura, with a solar microscope adapted thereto. Invented and sold by B. Martin in Fleet-street.
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| Format: | eBook |
| Language: | English |
| Published: |
[London],
[publisher not identified] ;
[1770?]
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| Series: | Eighteenth century collections online.
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| Online Access: | Full text online |
| Item Description: | With, on verso: 'The use of a new hydrostatic balance.'. Reproduction of original from the Harvard University Houghton Library. Electronic resource. |
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| Physical Description: | 1 sheet ; 1/8⁰. |