Gilbert Catalog
Price in 1950: $49.50
Includes Geiger Counter, Gilbert Cloud Chamber, Electroscope, Spinthariscope, Neutron and Proton Spheres for making Nuclear models, Alpha, Beta and Gamma radiation sources, plus Uranium-bearing ores. Also packed with Lab are "Prospecting for Uranium," "Gilbert Atomic Energy Instruction Booklet." Sturdy attractive hinged chest, plus an illustrated full-color booklet explaining atomic energy in easy-to-understand fashion. Size of Set 25" x 16 1/2" x 5". Price, $49.50. Denver and West, $51.00.

Price in 1951: Unlisted
Possibly the greatest educational toy of all time! With its instruments you can study and UNDERSTAND the atom — what it does , its reactions, etc. Useful in providing training for nuclear physics career. Lab includes Geiger Counter, Gilbert Cloud Chamber, Electroscope, Spinthariscope, Nuclear Spheres, Alpha, Beta and Gamma radiation sources and Uranium-bearing ores. Two booklets. "Prospecting for Uranium" and "Gilbert Atomic Energy Instruction" also packed with set. Sturdy hinged chest has convenient suitcase-type carrying handle. Measures 25" long x 12 1/2" wide x 5" high.