Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 448
ects 1 Then the carapace would be but a surface ofperforated polygonal openings. This latter hypothesiswas attractive enough, and would have explained manythings ; but some careful observations with very powerfulobject-classes, quite free from blemishes, had shown methat these hexagons had round… … Hexagonal appearance formed by circles joined together. and Washington, left not the slightest doubt that it wasnecessary to discover why the eye persistently saw hexagonswhere there were circles. To elucidate this point, it was
Scientific recreations
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