Standard specifications for transformers, oil-immersed, self-cooled, 60-cycle, 2200 volts
Edition: <1st ed.> Issued May 15, 1910.
Series: Circular of the Bureau of standards -- no. 22
Publisher: Govt. print. off.
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 12
Subjects: Electric transformers
Notes: S.W. Stratton, director.

At head of title: Department of commerce and labor.