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Curved Sensor Net used to record electrical signals of the brain, Europe, 1990-1998

Curved Sensor Net used to record electrical signals of the brain, Europe, 1990-1998

1988-1990

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876

Glass tube, with a brass cap at one end and open at the other end: containing traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876

Glass tube, containing a chemically prepared example, for Ocean depth sounding machine

1876