The art of hatching and bringing up domestic fowls, by means of artificial heat / Being an abstract of Monsieur de Reäumur's curious work upon that subject, communicated to the Royal Society ... By Mr. Trembley, F.R.S. Translated from the French.

  • Réaumur, René-Antoine Ferchault de, 1683-1757.
Date:
1750
Catalogue details

Licence: Public Domain Mark

Credit: The art of hatching and bringing up domestic fowls, by means of artificial heat / Being an abstract of Monsieur de Reäumur's curious work upon that subject, communicated to the Royal Society ... By Mr. Trembley, F.R.S. Translated from the French. Source: Wellcome Collection.

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    thing wanted, but to moderate that heat, and to keep it conftantly pretty near to the degree required, thermometers, placed in feveral parts of this room or ftove, .{hewed the heat of the air in it$ and when it wanted to be either en~ creafed, or diminifhed, it was fufficient to en- ereafe or to diminifh the communication of this air with that abroad, by the opening or the {hut¬ ting more or fewer of the paffages or vents, that were made through the walls. The very firft experiment that was made in this ftove fucceed- ed, and it was afterwards brought to a yet greater ftate of perfection. One may eafily fee, that the fize and the form of thefe ftoves, rnufl change according to the fituation of the oven and the fize of the fpace above it. It will be enough here to take notice, that the heat of the ovens which are not heated every day, will yet, if well hufbanded, be fufficient to anfwer the purpofe : and that there has been no occafion at all, to add the lead: heat to thofe ovens, the days there was no bread baked in them. From the very great number of ovens that might thus be employed, it is eafy to fee, that it would be practicable by their means to hatch an immenfe number of chickens: and it will be feen in the fequel, with what eafe Mr. de Reaumur propofes alfo to rear thofe chickens. A baker's wife might with great conveniency, 3 , and