Gilbert U-239 Geiger Counter (ca. 1950s)

Boxed Gilbert U 239 Geiger Counter

Solid-State NMR Investigations of Extracellular Matrixes and Cell Walls of Algae, Bacteria, Fungi, and Plants

Perfecto Claim Striker Geiger Counter (ca. early 1950s)

The Gilbert U-238 Atomic Energy Lab

The Gilbert U-238 Atomic Energy Lab

The 1950s Science Kit That Had Real Uranium

Gilbert U-238 Atomic Energy Lab (1950-1951)

Gilbert U-238 Atomic Energy Lab (1950-1951)

Gilbert U-239 Geiger Counter

Watch: Mint 1949 Atomic Energy Lab

Potter and Potter Auctions - Lot 384: A.C. Gilbert Nuclear Physics No. U-238 Atomic Energy Lab. New Haven, CT: A.C. Gilbert, ca. 1951. Considered to be the “world's most dangerous children's game”