A horizontal glass tube can be connected to a water reservoir through capillary tubes of different diameters. The smaller the diameter of the capillary tube, the higher the water climbs above the level of the reservoir due to the greater hydrostatic pressure.
![Capillary Tubes Apparatus, 1003510 [U58021], 压力](/imagelibrary/U58021/U58021_01_Capillary-Tubes-Apparatus.jpg)
![Capillary Tubes Apparatus, 1003510 [U58021], 压力](/thumblibrary/U58021/U58021_01_1200_1200_Capillary-Tubes-Apparatus.jpg)
![Blue Food Colouring, 1000793 [U8410620], 耗材](/thumblibrary/U8410620/U8410620_01_140_140_Blue-Food-Colouring.jpg)
![Liquid Levels, 1003509 [U58020], 压力](/thumblibrary/U58020/U58020_01_140_140_Liquid-Levels.jpg)
![Wedge-Shaped Vessel -
Illustrate surface tension and capillary forces, 1000794 [U8411130], 流体力学](/thumblibrary/U8411130/U8411130_01_140_140_Wedge-Shaped-Vessel-Illustrate-surface-tension-and-capillary-forces.jpg)
![带有挂钩的固定夹, 1002828 [U13252], 夹具](/thumblibrary/U13252/U13252_01_140_140_带有挂钩的固定夹.jpg)
![精确的测力计（透明）, 1003106 [U20034], 弹簧秤和弹簧](/thumblibrary/U20034/U20034_01_140_140_精确的测力计-透明.jpg)
![球环实验, 1003382 [U409001], 热膨胀](/thumblibrary/U409001/U409001_01_140_140_球环实验.jpg)
![圆筒支脚, 1002834 [U13265], 基底](/thumblibrary/U13265/U13265_01_140_140_圆筒支脚.jpg)
![15根安全实验导线套件，75mm, 1002843 [U138021], 电循环](/thumblibrary/U138021/U138021_01_140_140_15根安全实验导线套件-75mm.jpg)
![精确的测力计（透明）, 1003105 [U20033], 弹簧秤和弹簧](/thumblibrary/U20033/U20033_01_140_140_精确的测力计-透明.jpg)
![Tube Thermometer, Graduated -10 – 110°C, 1002879 [U14295], 温度计](/thumblibrary/U14295/U14295_01_140_140_Tube-Thermometer-Graduated-10-110-C.jpg)
![热导装置, 1003383 [U409051], 热传导和热辐射](/thumblibrary/U409051/U409051_01_140_140_热导装置.jpg)
![测密度立方体套装, 1000766 [U8404509], 密度](/thumblibrary/U8404509/U8404509_01_140_140_测密度立方体套装.jpg)
![袖珍型测量带，2米, 1002603 [U10073], 长度测量](/thumblibrary/U10073/U10073_01_140_140_袖珍型测量带-2米.jpg)
![浮沉子, 1002867 [U14090], 浮力](/thumblibrary/U14090/U14090_01_140_140_浮沉子.jpg)
![精确的测力计（透明）, 1003102 [U20030], 弹簧秤和弹簧](/thumblibrary/U20030/U20030_01_140_140_精确的测力计-透明.jpg)
![Surface Tension Ring, 1000797 [U8412160], 流体力学](/thumblibrary/U8412160/U8412160_01_140_140_Surface-Tension-Ring.jpg)
![通用夹, 1002830 [U13255], 夹具](/thumblibrary/U13255/U13255_01_140_140_通用夹.jpg)
![双联式三脚架座, 1002835 [U13270], 基底](/thumblibrary/U13270/U13270_01_140_140_双联式三脚架座.jpg)
![帕斯特叶片装置, 1002957 [U15070], 压力](/thumblibrary/U15070/U15070_01_140_140_帕斯特叶片装置.jpg)
![精确的测力计（透明）, 1003104 [U20032], 弹簧秤和弹簧](/thumblibrary/U20032/U20032_01_140_140_精确的测力计-透明.jpg)
![一组螺旋式弹簧用于证明胡克定律, 1003376 [U40816], 螺旋弹簧](/thumblibrary/U40816/U40816_01_140_140_一组螺旋式弹簧用于证明胡克定律.jpg)