The art of incubation and brooding; . e^i*^^^afccfcsfcicis gfctfccfcsfc ifcsfcspcfc spgj«XJ«£»^ P is a tube running from the egg chamber Hthrough the heater S, and through which the rodL passes. A constant discharge of air flowsthrough this tube, from the egg chamber. It isnever closed. X is one of the lamps, two being used at diag-onally opposite corners of the incubator. YYY is a five-inch space between the inner andouter wall of the improved incubator and ispacked with mineral wool and granulated of the hot-air pipes are incased in asbestos ormineral wool. DIRECTIONS FOR OPERATING


The art of incubation and brooding; . e^i*^^^afccfcsfcicis gfctfccfcsfc ifcsfcspcfc spgj«XJ«£»^ P is a tube running from the egg chamber Hthrough the heater S, and through which the rodL passes. A constant discharge of air flowsthrough this tube, from the egg chamber. It isnever closed. X is one of the lamps, two being used at diag-onally opposite corners of the incubator. YYY is a five-inch space between the inner andouter wall of the improved incubator and ispacked with mineral wool and granulated of the hot-air pipes are incased in asbestos ormineral wool. DIRECTIONS FOR OPERATING THE VON CULIN IMPROVED SIMPLICITY THERMOSTAT Light the lamp or lamps, turn the flame to ordin-ary height, with regulator as shown above, exceptthat the perpendicular rod which connects the leverwith the thermostat in the egg chamber by means 89 \jS els els els el? e$s els 35 3s els els els els g Is ep ?Ts> $b elsels~els els els els els 35 ejsep «Ts~3» els els els «ls els els els els tjs elsels 3s tey ^j^^^i^^^^a^i^^l^^^^c^^^^^^^^^^^4i^^^4»4»^4»^4>^gi>^1^^^ of two brass pins must be left out (not connected)until the temperature in the egg chamber rises toio2°. Then insert the rod, and connect as shownin the illustration. When heating up the machinefet the cover J rest on the escape E. To raise thetemperature of the egg chamber, raise the two nutson the perpendicular rod ; to lower the tempera-ture, lower the same nuts. Run the machinebetween 102 and 1030. The cover should be raisedfrom the escape about one-sixteenth of an inch at1020. This will give a surplus heat which will notrise above 1030, but if t


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectincubat, bookyear1894