Water Pressure Chamber水中壓力觀察器
盒的兩端套上橡膠膜, 把它放在水中觀察越水深橡膠膜便凹陷越深, 把觀察器垂直水中, 上下膠膜凹陷呈現不同程度, 有效顯示壓強理論
Dimension : 65 x 90 dia. x L mm, plastic chamber supplied two rubber sheets.
If Chamber is placing in deeper water, the rubber sheet of chamber will become dome-shape
Item No : JP 112-225 each set