Once a sample has been taken into the apparatus the blue end of the four-way stopcock handle must not be moved through the upper half of its arc until the analysis is finished. Bubble air through water jacket with stirrer every 3 to 5 minutes toanbsp;...
Title | : | Diving manual, 1943 |
Author | : | United States. Navy Dept. Bureau of Ships |
Publisher | : | - 1943 |
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