National safety code for the protection of the heads and eyes of industrial workers.
Edition: 2d ed., December 29, 1922.
Series: Handbook series -- no. 2; NBS handbook -- no. 2.
Publisher: Govt. Print. Off.
Published: 1923
Place of publication: Washington
Language: eng
Number of pages: 66
Subjects: Safety appliances.
Notes: At head of title: Department of commerce. Bureau of standards. S.W. Stratton, director.