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2. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   A traditional hydraulic ram has only two moving parts, a spring or weight loaded "waste" valve sometimes known as the "clack" valve and a "delivery" check valve, making it cheap to build, easy to maintain, and very reliable. Priestly's Hydraulic Ram, described in detail in the 1947 Encyclopedia Britannica, has no moving parts. [9]

3. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   In parts of Britain and Ireland, it was often called the parish pump. Though such community pumps are no longer common, people still used the expression parish pump to describe a place or forum where matters of local interest are discussed. [3] Because water from pitcher pumps is drawn directly from the soil, it is more prone to contamination.

4. City of Athens replaces fountain pump at Big Spring ... - AOL

   www.aol.com/city-athens-replaces-fountain-pump...

   Apr. 16—The city of Athens put the "spring" back in Big Spring on Monday, April 8. City utilities started work to replace the broken pump in the fountain at Big Spring Memorial Park, better ...

5. Heron's fountain - Wikipedia

   en.wikipedia.org/wiki/Heron's_fountain

   Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron (or Hero) of Alexandria. [ 1 ] Heron studied the pressure of air and steam, described the first steam engine , and built toys that would spurt water, one of them known as Heron's fountain.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Rotary vane pump - Wikipedia

   en.wikipedia.org/wiki/Rotary_vane_pump

   An eccentric rotary vane pump Another eccentric rotary-vane pump design. Note that modern pumps have an area contact between rotor and stator (and not a line contact). 1. pump housing 2. rotor 3. vanes 4. spring. A rotary vane pump is a type of positive-displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity. In ...