Industrial lighting code for factories, mills and other work places
Contributors: Caldwell, F. C. (Francis Cary), 1868-1953
Publisher: The F.J. Heer Printing Co.
Published: 1920
Place of publication: Columbus, O
Language: eng
Number of pages: 20
Subjects: Lighting; Factory inspection
Notes: F.C. Caldwell, Chairman, Committee on Industrial Lighting Code.