A vectograph is a type of stereoscopic print or transparency. The vectograph transperancies were comprised of a stereo pair of polarized transparencies laid on top of one another and viewed by using linear polarized 3D glasses, or even projected onto aluminized screens. The concept of the vectograph was invented by Joseph Mahler, cousin of composer and conductor Gustav Mahler. He immigrated to the US from Czechoslovakia in 1938 and was hired by the Polaroid Corporation, where he worked with its founder Edwin Land, to develop his idea into a practical process. During World War II, stereoscopic aerial reconnaissance photographs were printed in the form of vectographs, both as reflective prints for use by troops in the field and as transparencies to be projected onto a screen for group viewing and discussion.
The short lived and inventive stereo format makes every vectrograph a historically significant artifact worth possessing and preserving.
Vectograph slide size: 4" x 3-1/4" Condition:
Vectograph is in excellent condition with some wear to the outer perimeter binding tape.
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