Visual acuity testing of radiographic inspectors in nondestructive inspection
By: Gary T. Yonemura ; prepared for Office of Nondestructive Evaluation, National Measurement Laboratory, National Bureau of Standards
Contributors: United States. National Bureau of Standards; Center for Building Technology; National Measurement Laboratory (U.S.). Office of Nondestructive Evaluation
Series: NBS technical note -- 1143
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 23
Subjects: Visual acuity; Radiography, Industrial
Notes: "Center for Building Technology, National Engineering Laboratory, National Bureau of Standards."

Includes bibliographical references