Description:05 37 52 00 Holland. Inauguration of a boat. Woman cuts rope with axe and bottle of champagne breaks on bell of the boat, ritual. "Accumulations" is a meteorological boat to study the climatic data. Scientific researches. Close-up on sailor with captain who makes turn the bar, navigation. Close-up on turret with measuring instrument to study the time. Close-up engineer who settles recording level gauges. Close-up measuring instrument which turns as ventilator. Balloon flies away in sky serves for measuring also. Study of the atmosphere, evaluation thanks to the balloon.