Size of letters required for visibility as a function of viewing distance and observer visual acuity / Gerald L. Howett ; sponsored by the Occupational Safety and Health Administration, U.S. Department of Labor.
| Author/creator | Howett, Gerald Leonard, 1931- author. |
| Other author | United States. Occupational Safety and Health Administration, sponsor. |
| Other author | United States. National Bureau of Standards, issuing body. |
| Format | Microform |
| Publication | Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards : For sale by the Supt. of Docs., U.S. G.P.O., 1983. |
| Description | 61 pages in various pagings : illustrations ; 28 cm. |
| Subjects |
| Series | NBS technical note ; 1180 NBS technical note ; https://id.loc.gov/authorities/names/n42033257 ; 1180. ^A4336 |
| General note | "Issued July 1983." |
| General note | GPO Historic Shelflist Project- publication not in hand. |
| General note | GPO Cataloging Record Distribution Program (CRDP). |
| Bibliography note | Includes bibliographical references (pages 50-51). |
| Reproduction note | Microfiche. Washington : U.S. G.P.O., 1983. 1 microfiche. |
| GPO item number | 0249-A (MF) |
| Govt. docs number | C 13.46:1180 |
| Stock number | 003-003-02502-0 GPO |
Availability
| Library | Location | Call Number | Status | Item Actions |
|---|---|---|---|---|
| Joyner | Microforms B300 | C 13.46:1180 | ✔ Available |