Opaque projector (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opaque projector" in English language version.

refsWebsite

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3books.google.com

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1wikisource.org

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books.google.com

Euler, Leonhard (1773). Briefe an eine deutsche Prinzessinn über verschiedene Gegenstände aus der Physik und Philosophie - Zweyter Theil (in German). pp. 192–196.
Thomas L. Hankins; Robert J. Silverman (2014). Instruments and the Imagination. ISBN 978-1-4008-6411-9.
Moigno's, François (1872). L'art des projections.

cbsnews.com

Gregg, David (19 February 2010). "Gadgets to Help Make Homemade Crafts". CBS News. Retrieved 11 May 2020.

wbez.org

Friedrich, Paula (22 August 2019). "5 Unexpected Items You Can Borrow At Chicago's New Tool Library". WBEZ, National Public Radio in Chicago. Retrieved 11 May 2020.

wikisource.org

en.wikisource.org

Chisholm, Hugh, ed. (1911). "Lantern § Magic or Optical Lantern" . Encyclopædia Britannica. Vol. 16 (11th ed.). Cambridge University Press. p. 186 March 2013.