Thomson's Pattern Dry Card Compass, By James White, the original light-weight compass card with eight magnet needles designed by Thomson (1824 – 1907) - later Lord Kelvin, the needles are attatched with 32 silk threads to the edge, in the original Mahogany case.
Sold for £325
Result including buyers premium
Thomson's Pattern Dry Card Compass, By James White, the original light-weight compass card with eight magnet needles designed by Thomson (1824 – 1907) - later Lord Kelvin, the needles are attatched with 32 silk threads to the edge, in the original Mahogany case.
Auction: Cameras & Scientific Auction, 6th Jun, 2024