London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 484
a bottom perforated Cheap portable Shower-Bath. 469 with fine holes, about f$ of an inch in diameter, the top a littleraised, having in the centre a tube (m) soldered into it; c is anair-tight valve, with a leather face (/), which the lead weight epulls close, so as to exclude the pressure of the… … n, on a wire pin soldered across the slit in f. By pulling thestring o, and raising the valve, the pressure of the atmosphereis admitted to the surface of the water in b, allowing the waterto escape in a shower from the bottom. The moment the stringis let go, the water ceases to run. The shower may…
Architecture
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