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Bathythermograph grid in box, marked NIO S4

Expendable Bathythermograph-Underwater Temperature Measuring Device, 1970-1977

1970-1977

Complete set of smoked plattes

Expendable Bathythermograph Marine Temperature Recorder, 1976

1976

Bathythermograph and sea sampler Mk1, by S.G. Brown Ltd., c. 1948

Bathythermograph and sea sampler Mk1

1948

Bathythermograph Mk 1B, ‘deep’ model with box, made by S G Brown, Watford, England, c.1940.

Bathythermograph Mk 1B, ‘deep’ model, made by S G Brown

1939-1942

Bathythermograph, circa 1940. Made in Leningrad. NIO number S96. Enamelled blue, in wood case. Thermometers missing. Used by Dr. J.N. Carruthers

Bathythermograph, circa 1940. Made in Leningrad. NIO number S96. Enamelled blue

Bathythermograph MkV by S.G. Brown Limited, Watford, England, c. 1958

Angled bathythermograph Mk V, c 1958.

1958

Bathythermograph Type CTB(shallow), by Bristol Co., Connecticut, c. 1940

Bathythermograph Type CTB(shallow)

1940