Letter | Published:

The Scotoscope

Nature volume 114, page 11 (05 July 1924) | Download Citation

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Abstract

CAN any of your readers explain the principle of the scotoscope which Pepys defines in his diary (Aug. 13, 1664) as an instrument enabling objects to be viewed “in a dark room”? It seems scarcely credible that in the seventeenth century any such instrument could have existed, and bearing in mind the lack of science which Pepys evinced, one is tempted to wonder whether he had misunderstood the instrument-maker's “camera obscura,” which would account for his speaking of a “dark room” instead of saying “in darkness” or “in the dark.”

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  1. Colchester, June 18.

    • CHARLES E. BENHAM

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DOI

https://doi.org/10.1038/114011b0

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