. Artificial incubation and incubators ... t air generatedby the tank passed under the lower shields and upwards betweenthe drawers, over the eggs, and thence into the brooding apart-ment. The two lower drawers were ventilated by flues or tubespassing through the water tank, and opening into the open spaceunder the lower shields This incuba-vention of thepractice itthat the upperuseless, as the variably be^^ ;w-i8WDi teen degreeslower ones. Fig. 59. halsteds automatic incubator,illustrated at Fig. 56, appeared the f ollowing year. This shows view of the front and one end of the machine. B isth
. Artificial incubation and incubators ... t air generatedby the tank passed under the lower shields and upwards betweenthe drawers, over the eggs, and thence into the brooding apart-ment. The two lower drawers were ventilated by flues or tubespassing through the water tank, and opening into the open spaceunder the lower shields This incuba-vention of thepractice itthat the upperuseless, as the variably be^^ ;w-i8WDi teen degreeslower ones. Fig. 59. halsteds automatic incubator,illustrated at Fig. 56, appeared the f ollowing year. This shows view of the front and one end of the machine. B isthe boiler under which is the lamp which supplies the heat, andwhich is filled with oil from the reservoir O. D is the egg drawer,above which is the water tank (see T, Fig. 57) which supplies theheat. This tank is elevated two inches above the top of thedrawer, so as to give room for the regulator below. It is sup-ported by battens nailed or screwed fast to the ends and sides. Fig. 57 shows the boiler B and a section of the tank T, with the. 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
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectincubat, bookyear1883
