Geiger counters Now manufactured in Grand Junction by Uranium Engineering Co. Post Nov. 4, 1954 Clips: Grand Junction, Colorado. Business Article on Dr. Geiger's electronic device that detects uranium. Post Emp. mag. July 3, 1955 pp.7-8 Colorado Springs firm will display machines at U. S. exhibit. Post July 22., 1955 Clips: Mining. Machinery
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