| Description | Concrete for Civil Engineering. Trade information -reprint from "Civil Engineering" 1941 September. C/78/1 A card futurist picture of a round water tank, mid 20th cent (DO NOT SERVE). C/79/1 A card futurist picture of a round water tank, mid 20th cent. (photocopy). C/80/1 a booklet - Cunite Element Gun, no date. |