Elsevier, 1952. Not Stated, Presumed First Edition. Hardcover. Two Volume Technical Encyclopedia. Amsterdam: Elsevier, 1952. Volume I (A-H), dated 1952, 702 pages. Volume II (I-Z) dated 1953. 766 pages. Gold lettering on red backgrounds on the spines. Covers are stained, paper is browning. A very good copy of this two.....