The Thomas A. Edison Papers Digital Edition

This notebook covers the period December 1895-February 1897. It is the first of a set of four books used by an unidentified experimenter to record lamp tests, nos. 1-302. This book contains tests, nos. 1-148. Each test lists the amperes, volts, and candlepower used. Most of the lamps tested are designated as "Edison" lamps, although there a few from competitors, including "Buckeye," "Columbia," and "Sunbeam." There is scattered marginalia by either Edison or Thomas A. Edison, Jr. The front cover is marked "Orders. Book No 1. 1 to 148." The pages are unnumbered. Approximately 150 pages have been used. Numerous items have been pasted into the book.