Details: Volume V Number 1 April 1920 - Volume 5 Number 12 March 1921. Various paginations. 20 cm. Dozens of b&w illustrations, mainly in advertising. Black cloth cover with gold lettering. Moderate shelf wear. Torn inside lower front hinge. A few ink check marks and x's throughout. Contains metalurgy information such as properties of useful metals; industry-related advertising; short articles; verse. Most of each volume, however, is dedicated to jokes, most of which are no longer politically correct but funny nonetheless.