Title: Underground Systems Reference Book
Description: The book has been prepared for electric distribution companies, in both field and office applications.  This book reflects the extensive developments with regards to electric distribution systems of the early 1900's; and even today represents one of the most comprehensive and practical studies of the historic practices in design, construction, operation and maintenance of underground power cable systems typical of urban areas with networked secondaries.
Subjects: Underground, electric, network, manhole, vault
Places: New York
Time periods: 1957