Expendable Bathythermograph-Underwater Temperature Measuring Device, 1970-1977
1970-1977
Expendable Bathythermograph Marine Temperature Recorder, 1976
1976
Complete set of smoked plattes
Bathythermograph grid in box, marked NIO S4
Bathythermograph Mk 1B, ‘deep’ model, made by S G Brown
1939-1942
Angled bathythermograph Mk V, c 1958.
1958
Bathythermograph and sea sampler Mk1
1948
Bathythermograph, circa 1940. Made in Leningrad. NIO number S96. Enamelled blue
Bathythermograph Type CTB(shallow)
1940