Dublin Core
Title
Illustrations for a means to test optical surfaces.
Description
Illustrations by Roger Hayward of his patented means and method for testing optical surfaces (No. 2,430,637).
Creator
Roger Hayward
Source
Roger Hayward Papers
Date
November 11, 1947
Language
eng
Identifier
hayward3.002.5-opticalsurfaces-01
hayward3.002.5-opticalsurfaces-02