1971: Why a laser? CHK drawing

C. Harry Knowles drawing showing laser's better depth of field and tighter focus.

Bibliographic Details
Main Author:	Knowles, C. Harry
Format:	Electronic
Published:	Auburn University Libraries
Subjects:	Auburn University photographs
Online Access:	http://content.lib.auburn.edu/u?/chk01,57

Description
Summary:	C. Harry Knowles drawing showing laser's better depth of field and tighter focus.

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