Journal.

Vols. 7- include "Abstracts" which, beginning with v. 9 form a separately paged section, and from v. 17 on, have separate title pages.Individual numbers, v. -20, have title: Journal of the Institution of petroleum technologists and record of transactions.Bibliographies interspersed.Vols. 7- include "Abstracts" which, beginning with v. 9 form a separately paged section, and from v. 17 on, have separate title pages.Mode of access: Internet.Vols. 10-14, 16, 18-21 include "Reports on the progress of naphthology during 1923-34" continued after 1934 as a separate publication under title Petroleum technology (later, Annual reviews of petroleum technology