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Wash Bottle: a Laboratory Wash Bottle with a Slit Valve (Boy Mechanic, 1915)
A wide-mouthed bottle with a three-tube stopper that squirts a steady stream of water for rinsing glassware and washing precipitates. Blow into one tube to pressurise it; a slit rubber valve holds the pressure, and your thumb on a relief tube starts and stops the jet at once.
Source: The Boy Mechanic, Book 2 (1915), p. 458. Unknown: sizes. Picture: the book's sketch.
Baguhan
Unknown
Mga Tagubilin
1
1
Bore the stopper
Bore the stopper
Fit a stopper to a large-mouthed bottle and bore three holes through it for the tubes.
Mga materyales para sa hakbang na ito:
Boteng salamin (malinaw)1 large mouth
Mga gomang pantapon1 pirasoMga kailangang kasangkapan:
Pambutas ng kortsa2
2
Make the tubes
Make the tubes
Use brass or glass tubes. Bend the nozzle tube E so it reaches the bottom and points out over the side (sketch); the air tube A and relief tube D only pass through the stopper.
Mga materyales para sa hakbang na ito:
Tubong salamin3 pirasoMga kailangang kasangkapan:
Pang-ihip ng salamin na pang-mesa3
3
Fit the slit valve
Fit the slit valve
On the lower end of air tube A fit a thick piece of rubber tubing B, stoppered at its bottom end, and cut a slit C in its side: blown air opens it, and it closes again to hold the pressure. Push the three tubes through the stopper and fit it in the bottle. To use: fill with water, blow into A, then close D with your thumb; water jets steadily from E and stops the moment the thumb lifts.
Mga materyales para sa hakbang na ito:
Tubong Goma1 thick, short pieceMga kailangang kasangkapan:
Kutsilyong Pang-arteMga Materyales
4- 1 large mouthPlaceholder
- 1 pirasoPlaceholder
- 3 pirasoPlaceholder
- 1 thick, short piecePlaceholder
Mga Kinakailangang Kasangkapan
3- Placeholder
- Placeholder
- Placeholder
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