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"HOME TECH": The Inner Workings
Part 1 of Paper
....75, invented by one Thomas Crapper, but the extraordinary
automatic device called the flush toilet has been around for a long time.
Leonardo Da Vinci in the 1400's designed one that worked, at least on
paper, and Queen Elizabeth I reputably had one in her palace in Richmond
in 1556, complete with flushing and overflow.... Part 2 of Paper
....oes your spouse never ever roll down the
tube and continually squeezes it in the middle? Then the toothpaste pump
is for you!
When you press the button it pushes an internal, grooved rod down the tube.
Near the bottom of the rod is a piston, supported by little metal flanges
called "dogs", which seat themselves in the grooves on the rod. As the
rod moves down, the dogs slide out of the groove they're in and click into
the one above it. When you release the button, the spring brings the rod
.... |
| Number of words: 1224 - Approximate pages: 5 |
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