I'm in a rush - I've got to get to the farm, collect S'mudge and take her to the vet, get her back out there and then myself off to work.
But I will answer the Whatziss that has vexed you all for the last week.
Part one. Calling it a manifold was remarkably close, in a sense. The center of that star contained... explosives, and the arms were...
...as we saw in the second picture - fuze holders, all of which were wrapped in...
...the item from the third picture, which was the shell of the...

WWI German discus grenade, which was thrown like a discus, and had all those fuzes on it to increase the likelihood of a successful detonation.
But in reality it's a pretty small, ineffective grenade that is typical of the inventiveness displayed as people were struggling with ways to get more and better ways to kill people in soldier's hands during the war.



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