The Orange Herald nuclear device. A 720-kiloton fusion-boosted nuclear weapon tested by the British on the Pacific island of Malden on 31 May 1957.
https://diqn32j8nouaz.cloudfront.net...ke_warhead.jpg
Previously:
https://www.homemadetools.net/forum/...356#post154468
https://www.homemadetools.net/forum/...969#post133864
https://www.homemadetools.net/forum/...195#post149884
https://www.homemadetools.net/forum/...425#post150926
https://www.homemadetools.net/forum/...630#post162973
