VISUAL DESCRIPTION
This is a vintage advertisement for the "GEE Hyperbolic Navigation" system, which was used during World War II. The ad highlights various features of the GEE system: - Day and night range of 350 miles at 5, 000 feet and 150 miles at 2, 000 feet. - Accuracy of 100 yards or 1/2% of range whichever is greater. - Operation time of 10 seconds per fix. - Immediate operability within service range of any chain of GEE ground stations. - Unaffected by static interference. - Continuity unaffected by service interruptions. - Not susceptible to jamming. - No ambiguities. The ad also states that "GEE Airborne and Ground Equipment Developed, Engineered and Produced by Cossor. " At the bottom right corner, there's an invitation for civilian inquiries for GEE and other types of Radar Navigation Equipment being invited. A. C. Cossor Ltd. , located in Highbury Grove London N. 5, is presented as the company behind this technology with their logo prominently displayed at the bottom center. The visual elements include two globes with radio wave patterns emanating from points on each globe towards an aircraft in flight between them—symbolizing long-range navigation capabilities—and a stylized representation of the word "Gee" above it all.

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