Once again they have all been answered correctly:
768. Faucet reamer
769. The seller told me it was an alignment pin, but I agree with those who say it is a swaging tool.
770. Waldom Electronics HT2038 Extractor
771. Breath-O-Life pure medical oxygen
772. 8:00 - Speaking trumpet, 11:00 - torch or lantern. The hook was used years ago to pull burning thatch from a roof, to pull down walls, conices, and chimneys; and also for other misc. work.
773. Staple remover
Links, new photos and more info can be found on the answer page:
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People have been sending me lots of interesting photos, so I'll have some good stuff to post in the coming weeks.
Rob