Bryant PhD-170 Random Access Mass Memory
promotional materials ; Bryant PhD-170 (computer memory drum); Bryant Computer Products; Ex-Cell-O Corporation; Memory: drum
11 x 8 1/2 in.
The brochure describes the Bryant PhD-170 Random Access Mass Memory drum in detail using charts, graphs, tables, photographs, and text. The front cover of the brochure shows a black, green, and white abstract design of the memory drum. The back cover