Alembic Blog

Two Georgian Era Magnifying Lenses

New in the shop today are two pretty, Georgian Era magnifying lenses, a jeweller's loupe in lignum vitae and an entomologist's lens in tortoiseshell.

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Tardigrades and other "Marvels of Pond Life": A Classic Book on Microscopes by Henry J. Slack

By the mid-19th century central London was the teeming metropolis recognisable from Victorian literature, but its outskirts were not yet urbanised and there was ample opportunity for amateur naturalists to explore local woods, heaths, ponds, and streams, many of which have now disappeared. If you chanced on one of those ponds in 1860 you might have found a man eagerly scanning the shoreline, examining the clarity of the water, dipping his walking-stick in to draw out clumps of algae and aquatic plants, and collecting samples in small bottles. Following him home, you would see him sit down at a microscope and carefully prepare slides from these samples, peering into the eye-piece and taking notes, perhaps with his wife at his side sketching the little world in each drop of water.

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