This journal covers the period January 1904-March 1908. Chronological entries provide information about transactions posted to accounts recorded in the general ledgers. Included are accounts for the West Orange and Fort Myers laboratories, Glenmont, and various business operations. Entries for experimental expense accounts include the project numbers assigned in laboratory record books N-01-03-15 and N-10-07-26. The spine is stamped "Journal" and is labeled "Jany 1, 1904 To Feby 29, 1908 Thos. A Edison." The front cover is labeled "Journal Book No. 10 Entries Jany 1st 1904-Feby 29th, 1908." The book contains 401 numbered pages; many pages are blank.