Bellissima raccolta di fotografie inedite (erano segrete e sono appena state declassified dalla segreteria di stato Usa) con la preparazione della bomba atomica prima che l'Enola Gay prendesse il volo.
An illustrated guide to the Atomic Bombs

“Thin Man” Plutonium Gun Type Bomb Casings in 1944. In the background you can see “Fat Man” casings. It is unknown whether they are the early Model 1222 “Fat Man” casings, which required 1,200 bolts to assemble, or the later Model 1561 casings which were substantially easier to assemble and which were used for the production versions.
An illustrated guide to the Atomic Bombs
By Ryan Crierie
NOTES: A large number of these photos were assembled from the RG-77-BT collection in the Still Photo collection of the National Archives II building in College Park, MD.
Early Bombs
“Thin Man” Plutonium Gun Type Bomb Casings in 1944. In the background you can see “Fat Man” casings. It is unknown whether they are the early Model 1222 “Fat Man” casings, which required 1,200 bolts to assemble, or the later Model 1561 casings which were substantially easier to assemble and which were used for the production versions.