Originally Posted by
kangaroota
What was the explosive used in these bombs?
Also were there few enough of them manufactured and delivered for them all to be accounted for now?
according to google: Torpex + some TNT.
tallboy link
"The Torpex filling was poured into the base of the upturned casing by hand, after melting it in "kettles". The final stage of explosive filling required that a one-inch layer of pure TNT be poured over the Torpex filling, followed by sealing the base with a 4-inch (100 mm) layer of woodmeal-wax composite with three cylindrical recesses fitted with the explosive boosters and into which (when the bomb was finally armed), a total of three chemical time-fuses were inserted."