Howett, G.
(1983),
Size of letters required for visibility as a function of viewing distance and observer visual acuity:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.1180
(Accessed November 8, 2024)
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.
Size of letters required for visibility as a function of viewing distance and observer visual acuity:
Published
Author(s)
Citation
- NBS TN 1180
Report Number
NBS TN 1180
Pub Type
NIST Pubs
Download Paper
Citation
Issues
If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.
Created January 1, 1983, Updated May 19, 2023