Verlag: ARMCO Steel Corp.],, [Middleton, OH:, 1957
Anbieter: Zephyr Used & Rare Books, Vancouver, WA, USA
Erstausgabe
4to. 56 pp. Numerous photos, graphs, charts. Spiral-bound colour-printed softcvrs (mnr creasng, shlfwr), still VG. First edition of this technical catalogue listing the steels to be used in building electrical transformers.