. Artificial incubation and incubators ... ll, which signalled an alarm whenever the heat exceeded theproper limit. It was exhibited by the Doctor a number of times 70 BRINDLEys AND STUART WORTLEYs. before the American Institute, and also at the poultry shows in City, and in 1870 the N. Y. State Poultry Society awarded hima gold medal. brindleys incubator. This machine is represented at Fig. 53. F is a copper boiler,heated by either gas or lamp B, which is furnished with a reser-voir to ensure an even height of oil and a steady flame. Con-nected with the boiler are a number of iron pipes,
. Artificial incubation and incubators ... ll, which signalled an alarm whenever the heat exceeded theproper limit. It was exhibited by the Doctor a number of times 70 BRINDLEys AND STUART WORTLEYs. before the American Institute, and also at the poultry shows in City, and in 1870 the N. Y. State Poultry Society awarded hima gold medal. brindleys incubator. This machine is represented at Fig. 53. F is a copper boiler,heated by either gas or lamp B, which is furnished with a reser-voir to ensure an even height of oil and a steady flame. Con-nected with the boiler are a number of iron pipes, arranged hori-zontally between two glass plates, through which the hot watercirculates; the space between these glass plates being enclosed on all sides, forms aUnder the lowerer O, lined withtains the eggs. Onlamp, at A, arewhich the chicksplaced after beingegg drawer. Theprovided with aupon by the expan-a balanced tube,ulator was verysame, as that used COL. STUART WORT- About the samedescribed appearedleys machine. Itlong, low, saddle-. hot air chamber,plate slides a draw-felting, which side of thesmall chambers inare temporarilyremoved from thehot air chamber issafety valve, actedsion of mercury inThis valve and reg-similar, if not theby M. Yallee. leys incubator. time as the one just-= Col. Stuart Wort- JB was described as a§P backed boiler, overwhich was a steam Fig. 55.—the moll pitcher dome and escapevalve. At a short incubator. distance, and con- nected with the boiler by a pipe, was a reservoir, thus ensuring auniform height of water. A glass gauge was placed alongsidethe dome to indicate the height of the water. A tank, the samelength and height of the boiler, is connected with it by pipes ofperhaps two feet long. These pipes pass through padded holes intothe upper part of the egg chamber, the boiler being outside. Thedegree of heat is regulated by sliding the tank and pipes in or out,as may be needed, thus increasing or decreasing the radiating sur-face.
Size: 1108px × 2255px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectincubat, bookyear1883
