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@wavygk@mastodon.nz

2026-05-17 04:41 UTC

Work is off-loading old #oceanography books (no space, no money, not our job etc etc 😞 ). I'm not the worst book-hoarder in the house so I didn't feel too bad taking in a couple of waifs. (I may have to block the Library email tho in case there are more). This one is 150 yrs old and it is oceanography at a similar scale to what I do now. It is written very conversationally... "we did the thing and the results seemed sensible, then we did another thing and those results.. well who knows?" And some lovely coloured plots - would they have been printed or hand coloured? And we still use drifters like the 2nd image - but I wouldn't use a long line like that, and we have GPS plus temperature & pressure sensors aboard. I wonder what they would have thought of our modern kit? Oh and it's the #Dardanelles - so 42 years later it was the scene of so much pointless loss. #ocean #science #history

Replies (2)

  • @Niall@mastodon.nz 2026-05-17 05:43

    @wavygk@mastodon.nz that's magic! How much for a meter's worth of those old books? I have an empty shelf :)

    Open ##3348129

  • @BobLefridge@mastodon.nz 2026-05-17 09:53

    By 1872, maps had been printed for 20 years using lithography, though mainly single coloured. I'm not sure how they would've achieved the graduation of colour back then because I'm not certain that halftone dots had really been invented. If it's hand-coloured, it's very tidy. @wavygk@mastodon.nz

    Open ##3348131