. Artificial incubation and incubators ... bing TheCentennial, we give the parts here: A—Tube through which the tank and boiler are —Boiler in two parts: B - the boiler proper; and B—the boiler ——Connecting rod between lamp-lever and —Reel or — Faucet to draw off — —Escape-lever. L—Lamp. N— Door of egg —Vent — —Reservoir. 5—-Wire end of the regulator-bar pro-jecting through slotted — —Ventilator box or —Weight. A ventilating flue extends from the egg chamber through thetank opening at V; a


. Artificial incubation and incubators ... bing TheCentennial, we give the parts here: A—Tube through which the tank and boiler are —Boiler in two parts: B - the boiler proper; and B—the boiler ——Connecting rod between lamp-lever and —Reel or — Faucet to draw off — —Escape-lever. L—Lamp. N— Door of egg —Vent — —Reservoir. 5—-Wire end of the regulator-bar pro-jecting through slotted — —Ventilator box or —Weight. A ventilating flue extends from the egg chamber through thetank opening at V; another circular hole through the tank allowsthe thermometer to extend down into the egg chamber, but leav- 84: THE CENTENNIAL INCUBATOR. ing the scale above, so the temperature of the eggs may be seenat a glance. The regulating apparatus consists of a reel furnished with fourarms, whose bent ends are caught and released alternately by thecurved end of the escape-lever, the lower end of which is operated. Fig. 68.—corbetts apparatus. by the wire point of the regulator-bar; a cord or thread woundon the reel passes over the pulley, and has a weight attached whichgives the power to the reel. Another lever C is operated by two pins on the back of the reel;this lever is connected by the rod D with the lamp trip. The THE ECLIPSE INCUBATOR. 85 shaft of the reel passes through the side of the case into the ven-tilator flue, and is there attached to a revolving ventilator. As the thermostatic bar moves forward or backward with the2ieat, the opening in the escape-lever comes over one of the bentends of the arms of the reel, allowing it to pass through, which itdoes by the force of the weight, the next arm catching on theopposite side of the opening; this opens the ventilator, and at thesame time turns down the flame of the lamp. As the drawercools, the escape-lever is moved by the thermostatic bar in the re-verse direction, the next arm is released, a


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectincubat, bookyear1883