This book covers the periods September-October 1892 and October 1894, with undated material probably dating from 1892 or 1894. The book contains investment accounts and statements of operating and repair costs. Included are investment accounts for September and October 1892; an enumerated statement of operating and repair costs for September and October 1892 followed by a detailed statement of costs for October 1892; a record of operating costs estimated by Edison in October 1894; an undated record of renewal and repair costs; and an undated record of supply costs. The spine is labeled "1892." The book contains 301 numbered pages. Related material can be found in Plant Operations Records.

Blank pages: 1-27, 46-149, 226-259, 280-298, 301.

Missing page numbers: 29-31, 299-300.