A vectograph is a type of stereoscopic print or transparency viewed by using the polarized 3D glasses most commonly associated with projected 3D motion pictures. == History == Credit for the concept of the vectograph is due to Joseph Mahler, cousin of composer and conductor Gustav Mahler.
A vectograph is a type of stereoscopic print or transparency viewed by using the polarized 3D glasses most commonly associated with projected 3D motion pictures. == History == Credit for the concept of the vectograph is due to Joseph Mahler, cousin of composer and conductor Gustav Mahler.
Source: Wikipedia "Vectograph" · CC BY-SA 4.0
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