Dublin Core
Title
Illustrations for a transparent projection screen.
Description
Illustrations by Roger Hayward for a transparent projection screen. A patent for this device was awarded to J. D. Strong and Roger Hayward (No. 2,200,646).
Creator
Roger Hayward
Source
Roger Hayward Papers
Date
ca. 1940
Language
eng
Identifier
hayward3.002.1-transparentprojectionscreen