1783 British Notebook, Partial, with Ships, Fish, Geometry, etc. horsehair and with a little research

and with a little research I've identified the signers as a couple from Worchester

I found another of these Grenfell Mission letter openers a few years ago and have kept a keen out out for another ever since--because they are rare

And as the shape of the point pretty much exactly echoes the cutout of the tail

it is quite irregularly cut and I would probably replace it with a new one

Photos document the entire contents laid out across two photos

1783 British Notebook, Partial, with Ships, Fish, Geometry, etc. horsehair and with a little researchJust a handful of pages here, but a few wonderful drawings among them, as well as some text, including a passage (with lovely watercolor diagram) titled "Of Twilight and the Uses of the Air with regard to Light," a couple of pages relating to constellations, and a few pages of calculations with some pretty geometric doodlings. One full page ink drawing shows British naval ships bombarding the island of Goree (on the West Coast of Africa, a strategic