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2. Water timer - Wikipedia

   en.wikipedia.org/wiki/Water_timer

   The solenoid/diaphragm timer uses more battery power throughout the "on" cycle because the solenoid must be actuated the entire time that the water flow is "on". The ball valve timer using the motor and gear actuator only uses more battery power during the few seconds that motor is used to turn the water flow on or off.

3. Dashpot timer - Wikipedia

   en.wikipedia.org/wiki/Dashpot_timer

   The dashpot timer, or mechanical timer, has changed the way we use technology. With its many industrial and commercial applications, to household appliances and gardening, the dashpot timer is a very important invention that has certainly led to many changes in how thing were done during the 20th century and how things are done in modern times.

4. Hose clamp - Wikipedia

   en.wikipedia.org/wiki/Hose_clamp

   The other goal of a hose clamp is to provide mechanical attachment keeping the hose attached to a barb, hose nipple, or tube. To do this the clamp is typically placed on the hose behind the first ramp of the barb or behind the raised area near the end of and completely around the circumference of the hose nipple or tube called a bead.

5. Irrigation controller - Wikipedia

   en.wikipedia.org/wiki/Irrigation_controller

   Most automatic irrigation valves are diaphragm valves in which the water above the diaphragm must be discharged for the valve to open. In a hydraulic system, the controller and valves are connected via small plastic tubes approximately 4 mm (¼ in) in diameter. The controller opens the tube connected to the valve, allowing that valve to open.

6. Time switch - Wikipedia

   en.wikipedia.org/wiki/Time_switch

   A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952. [1]

7. Walschaerts valve gear - Wikipedia

   en.wikipedia.org/wiki/Walschaerts_valve_gear

   The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgian railway engineer Egide Walschaerts in 1844. [1] [2] The gear is sometimes named without the final "s", [a] since it was incorrectly patented under that name. It was extensively used in steam locomotives ...