London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 235
L._x-J 1 I L J L 10 ^% and relieves the moving power of the weight of the valve andstalk; but, as soon as the valve has been raised a little, and, con- 222 Improved Methods of constructmg Valves or Sluices,
Architecture
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-77-97.webp)
