Warsaw, 1939. The "Przegląd Techniczny" Technical Bookstore. 16x23 cm, 198 pages, (4), black-and-white illustrations in the text, softcover. Good condition (signs of water damage at the bottom of the pages).
A technical manual devoted to the fundamentals of blacksmithing and metal heat treatment processes. The content is divided into sections: testing the properties of metals, the effects of various factors on the properties of steel, heat treatment, heating the charge, shaping, hammers, and presses.



