file:fahy_simplex_nist_jpg
Double-sided Fahy permeameter.
http://nistdigitalarchives.contentdm.oclc.org/cdm/singleitem/collection/p15421coll3/id/461/rec/11 {accessed 2015-12-19}
fahy_simplex_nist.jpg
You can use this image freely (there is no need to ask for explicit permission), but you must give the following credits:
Source: National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899
Use of the images from NIST Digital Collections is not restricted, but a statement of attribution is required. Please use the following attribution statement: “National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899”
file/fahy_simplex_nist_jpg.txt · Last modified: 2023/06/17 22:18 by 127.0.0.1