Perspective pop-up




A pop up diagram from a nineteenth century treatise by Butler Williams, demonstrating the relationship between the viewing position, the picture plane, the object and the visual rays (images copyright © Russell Light).

Williams, Butler (1843) - 'A Manual for Teaching Model-Drawing from Solid Forms, the Models Founded on those of M. Dupuis, Combined with a Popular View of Perspective', 2nd edition, John W. Parker, London, 1852.

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