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This drawing was made by yar2 (ירונש) and is completely drawn from scratch, based on scanned drawing
form the book: "Atom Bombs: The secret inside story of Little Boy and Fat Man" by John Coster-Mullen.
John Coster-Mullen's work is accepted and supported by other authors in this field including Richard Rhodes,
Robert Norris, Carey Sublette, and Howard Morland.
The original drawing is used with permission. This drawing was made by using Adobe Illustrator & Inkscape.
It is NOT drawn to scale. some of the components are heavily simplfied.
Weapon information is from Nuclear Weapons Archive FAQ and from
Chuck Hansen U.S. Nuclear Weapons: The Secret History (1988).
for other versions, Licensing & additional information, go to this link (1).