"Ah," Holmes says, satisfied. "Naturally. Else I should be out of a job."
"Some people just aren't cut out to be writers," he comments.
"This would have been in the late 1800's," Holmes reminds him. "In that case, I would say Mycroft definitely knew." He frowns, remembering. "The bodies of several indigents were found in or near city sewers. Their wounds were inflicted by a mouth with two sets of teeth, one behind the other."
"Exactly!" Holmes says. "It does take practice, even when you haven't an instinctive motion to unlearn in the process."
"Shells," he murmurs. "And the loading between models in not appreciably different. Nor is the composition of bullets. You could make them in your laboratory easily." He cocks his head. "They are made from different types of wood, are they not?" He's not arguing, just curious. "Fascinating!" He exclaims. "You use just your wand in your brewing? One potion wouldn't be more efficacious stirred with a wand of bronze, for example, or ivory?"
Yes, that's the one I replied to. I'll re-send it. OOH! Sorry I missed those! *rolls eyes* And he doesn't mean that he's been in the magical world; only that he's aware of it.