. Artificial incubation and incubators ... tor was the in-writer. Inwas founddrawers wereheat would in-from ten to fif -higher than the tubes F,plies thehot water,which re-the boilerstop cockwhich thedrawn andtube or fluethe water. Fig. 60.—graves incubator. which sup-tank withand R,turns it toagain. Alsothro ughwater isFig. 58 is aview of thetank. TheF takingfrom the boiler and discharging it at the extreme end of the tank, and thereturn flue R bringing it back again to the boiler to be two open tubes passing through the tank, acting the doublepurpose of stay
. Artificial incubation and incubators ... tor was the in-writer. Inwas founddrawers wereheat would in-from ten to fif -higher than the tubes F,plies thehot water,which re-the boilerstop cockwhich thedrawn andtube or fluethe water. Fig. 60.—graves incubator. which sup-tank withand R,turns it toagain. Alsothro ughwater isFig. 58 is aview of thetank. TheF takingfrom the boiler and discharging it at the extreme end of the tank, and thereturn flue R bringing it back again to the boiler to be two open tubes passing through the tank, acting the doublepurpose of stays to keep the tank from bulging, and as ventilatingflues for the egg drawer. On the upper ends of these flues are fittedvalves (like the damper ©f a stove-pipe), connected and fastened toa rod which passes through the end of the case, and to which is 74 HALSTED S AUTOMATIC INCUBATOR. fastened the lever A (Fig. 56). The drawer D is of wood, inside ofwhich is a zinc or galvanized iron tray just fitting the drawer andtacked to the sides all around; this tray should be about two inchesdeep. Inside of this is the rack on which to place the eggs; this rackis formed of strips of zinc or iron, each bent like an inverted V,thus AAA? and placed one
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectincubat, bookyear1883
