past the check valve and up toward the attic of the house.
Before electricity
came to the farm and THUMP
water users had to make clever use of gravity.
Joseph-Michel Montgolfier and his brother Jacques-Étienne
owned a paper mill in Voiron and developed the first manned untethered flight of a hot-air balloon.
The balloon was made of paper. Joseph-Michel invented the first self-acting water ram
to raise water at their paper mill.
Early water rams cycled every minute or so, producing a loud thump with each cycle.
Joseph-Michel Montgolfier and his brother Jacques-Étienne owned a paper mill in Voiron and developed the first manned untethered flight of a hot-air balloon. The balloon was made of paper. Joseph-Michel invented the first self-acting water ram to raise water at their paper mill. Early water rams cycled every minute or so, producing a loud thump with each cycle.
See also in The book of science:
Readings in wikipedia: