sud proiettore squadro circolo Horizontal limnigraph Station pointer Horizontal limnigraph 2 Turbidity meter Flow meter, Ono type Ekman type flow meter Echosounder Sounding device Psychrometer Barometer Fortin Thermograph Thermo-Hygrograph Hygrograph Recorder - anemometer pyranograph Siphon pluviograph Current meter Tipping bucket pluviograph Wheatstone bridge Batitermograph Reversing thermometer Underwater photometer Millivolmeter Thermistor probe Reading unit of limulus corr
  The pictures of the instruments are from the book  "Solai e cantine" by R. Bertoni (in Italian)