This notebook covers the period 1887-1901. It was used by several unidentified employees for the assignment of sequential account numbers, 1-1094, to each experimental project. At the beginning of the book is a brief note by John Ott regarding the number assigned for a Galvanometer Room project. A continuation of the list, with account numbers 1095-2208, can be found in N-01-03-15. The front cover is marked "Experimental Number #1 to 1094" and "1." The pages are unnumbered. Approximately 90 pages have been used.