Question

What did the diamond maker used to do in his free time when he was in London?​

Answer 1

Answer:

After his money ran out he conducted his experiments in cheap lodgings in Kentish Town and had various menial jobs. He finally succeeded when, using an idea suggested by experiments of Gabriel Auguste Daubrée, he put the mixture which might produce diamonds together with dynamite in a cylinder too strong to burst.

Explanation:

that's the answer no more explanation