"The Transactions [comprise] the papers read at general meetings of the Federated institutes [Manchester Geological and Mining Society. Midland Counties Institution of Engineers. Midland Institute of Mining, Civil, and Mechanical Engineers. Mining Institute of Scotland. North of England Institute of Mining and Mechanical Engineers. North Staffordshire Institute of Mining and Mechanical Engineers. South Staffordshire and Warwickshire Institute of Mining Engineers] and of the Institution of Mining Engineers; together with "Notes of papers on the working of mines, metallurgy, etc., from the Transactions of colonial and foreign societies etc."

Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415]

Quarterly accession lists; beginning with Apr. 1893, the bulletin is limited to "subject lists, special bibliographies, and reprints or facsimiles of original documents, prints and manuscripts in the Library," the accessions being recorded in a separate classified list, Jan.-Apr. 1893, a weekly bulletin Apr. 1893-Apr. 1894, as well as a classified list of later accessions in the last number published of the bulletin itself (Jan. 1896)

Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59.