. Practical artificial incubation. A resumé of the progress made in the past few years in artificial incubation in this country and Europe . had an opportunityof testing the Rouillier, we cannot express an opinionupon them. The Christy machine is about 30 inchessquare, and outwardly has an appearance of a wood chestwith a drawer at the bottom and a glass gauge above ;in fact, it has very little appearance of being an incuba-tor from its outward aspect, having none of the mechan-ical contrivances that are generally to be seen on thesemachines. It is simply a tank occupying two-thirds ofthe whol


. Practical artificial incubation. A resumé of the progress made in the past few years in artificial incubation in this country and Europe . had an opportunityof testing the Rouillier, we cannot express an opinionupon them. The Christy machine is about 30 inchessquare, and outwardly has an appearance of a wood chestwith a drawer at the bottom and a glass gauge above ;in fact, it has very little appearance of being an incuba-tor from its outward aspect, having none of the mechan-ical contrivances that are generally to be seen on thesemachines. It is simply a tank occupying two-thirds ofthe whole, the remaining third being taken up withthe egg drawer. This tank has some internal compart-ments which divide the water, the objects of which willshortly be seen. The inlet to the tank is on the top,and the outlets, of which there are two, are at the Christys Hydro-Incubator. 75 front. One of these is about half-way down, the otherbeing fixed at the bottom of the tank. The gaugeglass, of course, registers the height of the water inthe tank. A wooden door, on being removed, revealsthe egg drawer, which, on being drawn out, shows the. HYDRO-INCUBATOR FOR 100 EGGS. A is the pipe only used for completely emptying the cistern; B, the brass tap fordrawing off the water prior to replenishing the cistern with boiling water ; C, theglass gauge with a marked scale, D, at the side to register height of water in the cis-tern ; E, the pipe for filling the cistern; F, the tube for escape of air when water isput in the cistern; G, the drawer into the front of which the new earth-trays slide ;H, thermometer in the drawer; I, I, the air-holes in sides of incubator and drawer;J, the flannel; K, the stand or box used to keep the incubator off the ground; L, theearth-trays. thermometer, and the arrangements for eggs are placed upon a perforated zinc tray, theholes allowing the moisture to rise from the earthtrays beneath, and keeping the bottom of the eggscool. Air is admitted bv


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectincubatorsfromoldcat