Chapter Page 



D. NANSEN BOTTLES AND REVERSING THERMOMETERS D-1 



General Remarks D-1 



Deep Sea Reversing Thermometers D-1 



The Main Thermometer D-1 



The Auxiliary Thermometer D-1 



Protected Reversing Thermometers D-1 



Unprotected Reversing Thermometers D-2 



Handling, Storing, and Transporting Deep Sea Reversing Thermometers D-2 



The Nansen Bottle D-3 



Nansen Bottle Racks D-4 



Standard Depths D-4 



Nansen Bottles in Series D-5 



Preparing the Nansen Bottles for Operation D-5 



Spacing the Nansen Bottles D-5 



Sea Water Sample Bottles D-5 



E. TAKING AN OCEANOGRAPHIC STATION E-1 



Oceanographic Log Sheet-A E-1 



Setting Up the A-Sheet - E-1 



Testing and Inspecting the Oceanographic Winch and Accessories E-4 



Taking a Nansen Cast E-4 



Maintenance and Storage of Nansen Bottles, Reversing Thermometers, and Water 



Sample Bottles E-9 



Subsurface Wire Angle Indicator E-9 



Instructions for Operating the Subsurface Wire Angle Indicator E-9 



Retrieving the Wire Angle Indicator E-10 



Reading the Wire Angle Indicator E-11 



F. A-SHEET COMPUTATIONS F-1 



General F-1 



Reversing Thermometer Calibration and History Record F-1 



The Alain and Auxiliary Interpolation Table F-1 



Correcting the Reversing Thermometer F-5 



Thermometric Calculations F-6 



Determining Accepted Depth (D) F-7 



Wire Angle (2) Measurements F-9 



Subsurface Wire Angle Measurements F-9 



Checking A-Sheet Computations F-9 



Correcting Reversing Thermometer Temperatures with the Culbertson Slide Rule F-9 



G. MANIPULATING REVERSING THERMOMETER MALFUNCTIONS G-1 



Introduction G-1 



Types of Reversing Thermometer Malfunctions G-1 



Corrective and Noncorrective Malfunctions G-1 



Equipment and Materials for Manipulating Malfunctions G-2 



Detecting the Malfunction in a Reversing Thermometer G-2 



Manipulating the FTD Type Malfunction Aboard Ship G-2 



Exercising Reversing Thermometers after Manipulation G-3 



H. THE SHIPBOARD CHEMISTRY LABORATORY H-1 



General H-1 



Laboratory Furniture H-1 



Water Purification Apparatus H-1 



Miscellaneous Laboratory Equipment H-1 



General Laboratory Precautions H-2 



Handling and Storing Laboratory Glassware H-2 



Stowage of Chemicals H-2 



Handling Chemicals and First Aid Measures H-2 



Cleaning General Laboratory Equipment H-3 



Cleaning Burettes and Pipettes H-3 



Preparing and Handling the Acid-Dichromate Cleaning Solution H-3 



I. SALINITY DETERMINATION OF SEA WATER SAMPLES I-l 



General I-l 



Standard Sea Water I-l 



Salinity Determination by Knudsen Method 1-2 



Chemicals Required 1-2 



