Revised edition, revised and supplemented by W W Midgley FRMetS. Introduction to this edition dated 1901. Green cloth-covered boards, red tinting to all page edges, black decoration and titles to front board, black titles to spine, 145 pp including Index, one leaf of publisher’s catalogue. Large octavo. Condition: A little bumping to the boards and rubbing to the extremities of the spine, otherwise a very attractive copy; internally clean and bright. Some old pricing information etc across front end papers.