THE HYDRO-INCUBATOR

Most, if not all, of your readers have heard of the newly-invented machine for hatching and rearing in chickens, without the maternal aid of the hen; probably many of them have paid a visit (and a *shilling*) at No. 4. Leicester Square, where the incubator is to be seen in full operation. The following extract will, therefore, be acceptable, as it tends to show the truth of the inspired writer's words, "There is no new thing under the sun:"— "Therefore ... it were well we made our remarks in some creatures, that might be continually in our power, to observe in them the course of nature, every…