The Pillsbury Current Meter which was invented by John Elliott Pillsbury.
This instrument was used in Gulf Stream studies. In: "The Gulf Stream" by John
Elliott Pillsbury, 1891. Call Number GC296.G9 P54 1891.
Image ID: theb2699, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 1885? Credit: NOAA Central Library