Keywords: Sigsbee Sounding Machine-Blake.jpg Sigsbee Sounding Machine - invented by Charles D Sigsbee and modified from Thomson Sounding Machine Basic design of ocean sounding instruments stayed the same for the next 50 years Here the sounding machine is used to set a Pillsbury current meter at a known depth In The Gulf Stream by John Elliott Pillsbury 1891 Call Number GC296 G9 P54 1891 Note caption on photo Sounding Machine And Current Meter In Place Steamer BLAKE National Oceanic and Atmospheric Administration Central Library Image ID theb2698 Voyage To Inner Space - Exploring the Seas With NOAA Collection 1880 Coast and Geodetic Survey PD-USGov Original upload log en wikipedia Sigsbee+Sounding+Machine-Blake jpg wikitable - 2012-02-09 20 58 700×1015× 285270 bytes Palmeira Sigsbee Sounding Machine - invented by Charles D Sigsbee and modified from Thomson Sounding Machine Basic design of ocean sounding instruments stayed the same for the next 50 years Here the sounding machine is used to s Uncategorized 2016 May 6 |