1941 BOOKLET, OPAQUE PROJECTION, A NEW FRONTIER IN TEACHING, AMERICAN OPTICAL Co

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TITLE: 1941 "OPAQUE PROJECTION - A NEW FRONTIER IN TEACHING" BY J.Y. TAYLOR​

10" x 7"[closed]|35-paged original 1941 educational booklet titled "Opaque Projection-A New Frontier in Teaching" by J.Y. Taylor. Published as a guide for using Delineascope (an opaque projector) in classrooms. A fascinating piece of pre-digital educational technology history. Also includes a "Radio-Mat" ad - a typewritten message system for screen projection.

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