. Practical artificial incubation. A resumé of the progress made in the past few years in artificial incubation in this country and Europe . ed thousand people have seen it,and witnessed to its wonderful success, and throughthe medium of these exhibitions their incubator hasattained a national popularity. It is just and right that gentlemen who give somuch attention to the subject as have the , should be amply rewarded with success. Itis a subject that a very large class are interested in,and they should thank those inventors who strugglethrough years of adversity to perfect inven
. Practical artificial incubation. A resumé of the progress made in the past few years in artificial incubation in this country and Europe . ed thousand people have seen it,and witnessed to its wonderful success, and throughthe medium of these exhibitions their incubator hasattained a national popularity. It is just and right that gentlemen who give somuch attention to the subject as have the , should be amply rewarded with success. Itis a subject that a very large class are interested in,and they should thank those inventors who strugglethrough years of adversity to perfect inventions thatare a great public benefaction. The incubator isdaily growing in popularity, and it will not be longbefore they will be used by nine-tenths of the suc-cessful breeders. If we could have a tournament upon a grand scale,in which all the various incubator manufacturerswould take part, we think it would do a great deal tomake them more sought after. We believe tlie Messrs. Axford are desirous for a 48 Artificial Incubation. friendly contest of this kind the present year, and wehope the other manufacturers will respond The Smith Incubator. 49 CHAPTEE Smith Incubator. In a letter to our editor, Mr. F. M. Smith, of Syra-cuse, thus speaks of his incubator: I began with the notion that an egg immersed in anatmosphere of suitable temperature and humidity,would advance through successive stages of embryonicdevelopment, till the perfectly formed chick emergedin due time from the shell. I constructed severalforms of hot air machines, but found that while thetemperature was easily controlled, the question ofmoisture was involved in much difficulty and uncer-tainty, and finally to secure a solid basis of fact forthe regulation of this important condition, I weighedthe eggs under sitting hens, at intervals of three daysthrough the period of incubation; I learned by thismeans that the loss of weight under natural conditionswas uniform and amounted to about one-sixt
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