Talk:U-tube

Too specific of a definition
I wouldn't agree that it always has an "artificial semipermeable membrane in the middle". See also https://www.engineeringtoolbox.com/u-tube-manometer-d_611.html --75.71.17.28 07:14, 23 October 2018 (UTC)
 * ✅. —Μετάknowledge discuss/deeds 15:18, 23 October 2018 (UTC)
 * Why was the etymology section removed? Even if the etymology can be surmised from the definition, I think that there should still be an etymology section. --Spunionztastic (talk) 02:01, 24 October 2018 (UTC)