Full resolution (TIFF) - On this page / på denna sida - Explanation of the plates
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F. Platform from which the guard can see the yards.
Pl. II. Section and Details of the Wings.
c. Reservoir of water in the garret, whence the water is led through zinc pipes tl to the smaller reservoirs ^ placed in each cell, which are necessary in order at once to bring a greater quantity of swill-water to the sewers, than the water-pipe discharges. These reservoirs ^, containing 3£ cubic feet of water, are made of zinc with an opening at the bottom of 7 inches in diamter, or a surface of 38i square inches, supplied with a valve of a harder metal. Besides this valve which leads to the sewer, the reservoir should have a less valve or cock for a supply of water for drinking and washing. From the sewers /% which ought to be lined with zinc, pipes of 6 inches diameter are led to the main pipes ff, which go from all three floors to bricked drains in the cellars. These pipes g, may be made of planks, pitched inside, grooved together and bound by iron bolls with screws and nuts, which may be drawn together, if the joints become leaky. The bricked drains /I, which ought always to be full of water, have a fall of one foot to the gables, where the sliding doors are opened for cleansing. For change of air, draught-pipes t are led from the outer wall under the door to the middle wall, which take off foul air, and /». which let in fresh through openings in the window-nich. All the pipes y are taken up to that I, which lies above them, which is connected with the steam conductor from the heating pipes.
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