. whereby the whole set may be raised or lowered as may be necessary in removing or replacing them, as hereafter more fully described. There is a vertical recess cut in the sides of the case to receive '^ ^' ^^^^^ the straps. The latter are perforated at dis- tances corresponding to the vertical depth of each tray; and the straps, if made of met- al, may be provided with a suitable pin a; but if leather is used, they may be hooked upon a fixed pin in the upper edge of the case. A pipe P may be used to conduct the water from the spring or fountain into the bottom of the case; or a water-cham- b
. whereby the whole set may be raised or lowered as may be necessary in removing or replacing them, as hereafter more fully described. There is a vertical recess cut in the sides of the case to receive '^ ^' ^^^^^ the straps. The latter are perforated at dis- tances corresponding to the vertical depth of each tray; and the straps, if made of met- al, may be provided with a suitable pin a; but if leather is used, they may be hooked upon a fixed pin in the upper edge of the case. A pipe P may be used to conduct the water from the spring or fountain into the bottom of the case; or a water-cham- ber may be formed entirely across that side of the case and also across the bottom. This latter construction is rather preferable for all except the first case in each tier, and, in fact, would not be objectionable for that. To insure a thorough distribution and circulation of the upward flowing current of water through all parts of the trays, I provide the deflector //, which may be spherical, as shown, flat, or any other suitable shape. It is supported directly over the inlet opening d upon suitable standards n. The discharge spout or trough f conveys the overflowing water to the descend- ing water channel or chamber of the next succeeding case. " The case may be made of any desired size; but I pre- fer them about eighteen inches to two feet square, and from two to four feet or more in height, according to the amount of fall afforded to the water from the spring or fountain. " The cases may be arranged in tiers the whole length of the floor of the hatching house, and the water overflowing
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Keywords: ., bookauthorstoneliv, bookcentury1800, bookdecade1890, bookyear1896
