Western Electric Bell System 1951 Ad – Transfusion?

Dimensions: approx. 8 x 11 inches

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Description

Dimensions: approx. 8 x 11 inches

This paper advertisement is from a 1951 magazine. Ad explains how grains of carbon are being used like plasma to reuse transmitters. Print drawing is by the artist – Bingham. Ad is dated on the back: August 27, 1951.