Astatic Galvanometer

| View Cart ⇗ | Info

“Astatic galvanometer, an instrument which consists of a pair of similar needles magnetized, with their poles turned opposite ways, and stiffly connected at their centers, so that both will swing together.” -Whitney, 1911


William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)


TIFF (full resolution)

2211×2400, 1.1 MiB

Large GIF

943×1024, 180.0 KiB

Medium GIF

589×640, 95.9 KiB

Small GIF

294×320, 32.6 KiB