An essay on visual glasses : (vulgarly called spectacles) wherein it is shewn ... that the common structure of those glasses is con[trar]y to the rules of art, to the nature of things, &c. and very prejudicial to the eyes. The nature of vision in the eye explained, and glasses of a new construction proposed . ... By B. Martin.
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| Format: | eBook |
| Language: | English |
| Edition: | The fifth edition. |
| Series: | Eighteenth century collections online.
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| Online Access: | Full text online |
| Item Description: | Reproduction of original from the British Library. Electronic resource. |
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| Physical Description: | 28p., plate ; 8⁰. |