Gas masks [graphic].
still image
Glass negatives. gmgpc
[between 1909 and 1920]
eng
Title from unverified data provided by the National Photo Company on the negative or negative sleeve.
Date from negatives in same range.
Herbert A. French;
General information about the National Photo Company collection is available at
National Photo Company Collection (Library of Congress)
http://hdl.loc.gov/loc.pnp/npcc.20340
No known restrictions on publication. For more information, see National Photo Company Collection - Rights and Restrictions Information