Title: Hooper, William: The portable camera obscura (Recreation VIII). In: Idem: Rational Recreations, In which the Principles of Numbers and Natural Philsophy are clearly and copiously elucidated, by a series of easy, entertaining, interesting experiments. Vol II. The Second Edition, corrected. London 1782, pp. 28-32.

Part of collection(s): Camera Obscura/ Descriptions

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