What hides this stereogram?
Brain Teasers
[1785] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
2016-01-03
Edison patentIn 1930, Thomas A. Edison was issued a patent for the "Production of Molded Articles" (No. 1,744,534) and a method of "Mounting for Diaphragms of Sound Boxes" (No. 1,744,533). |
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