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--- demonstrations:2_fluid_mechanics:2a_surface_tension:capillary_tubes:start [2019/02/14 23:33] – external edit 127.0.0.1
+++ demonstrations:2_fluid_mechanics:2a_surface_tension:capillary_tubes:start [2020/03/13 20:30] (current) – demoroom
@@ Line 1: / Line 1: @@
 ====== Capillary Tubes ======
-{{tag> needs_review untagged unlocated}}
+{{tag> fluid_mechanics surface_tension located}}
 <WRAP box right>
@@ Line 11: / Line 11: @@
 ===== Description =====
-Capillary action in narrow tubes.    Updated 04/25/13
+A series of glass tubes with different internal diameters, all connected by a bigger glass tube at the bottom. Comes with a plastic stand.
 ===== Purpose =====
@@ Line 23: / Line 19: @@
 ===== Apparatus =====
-capillary apparatus, coloured water
+  * Capillary apparatus
+  * Dyed water
 ===== Setup =====
-Fill apparatus as shown with coloured water.   Updated on: 06/12/13
+Fill apparatus as shown with coloured water, and set up a close-up camera (if necessary) to closely compare the height of each column of water. Pascals principle dictates that the water should be level in each tube, but the capillary effect causes a visible deviation from this.
 ===== Notes =====
@@ Line 47: / Line 44: @@
 </WRAP>
 <WRAP tablewidth 100%>
-| **Location** | ---- |
+| **Location** | C4 |
 | **Maker** | Unknown |
 | **Current State** | Working |