Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

An improved photographic edge-artifact:



William R Smallwood, Richard E Swing
- NBS IR 76-1129
Report Number
NBS IR 76-1129


Smallwood, W. and Swing, R. (1976), An improved photographic edge-artifact:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 24, 2024)
Created January 1, 1976, Updated May 19, 2023