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Ebook The Stereoscope
- Editore:
Forgotten Books
- EAN:
9780259621850
- Formato:
- Protezione:
- Nessuna
- Dimensione:
- 5.24 Mb
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Descrizione Ebook The Stereoscope
In its most general form the Stereoscope is a binocular instrument, that is, is applied to both eyes; but in two of its forms it is monocular, or applied only to one eye, though the use of the other eye, without any instrumental aid, is necessary in the combination of the two plane pictures, or of one plane picture and its reflected image. The Stereoscope, therefore, cannot, like the telescope and microscope, be used by persons who have lost the use of one eye, and its remarkable effects cannot be properly appreciated by those whose eyes are not equally good.
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