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|Posté le: Sam 8 Juil - 19:01 (2017) Sujet du message: The Poultryman And Pomologist Vol 1 Devoted To Practical
Excerpt from The Poultryman and Pomologist, Vol. 1: Devoted to Practical Poultry and Fruit Culture; April, 1900
It was the Monarch incubator of which, for the benefit of those who have never seen it, I will describe the heating system.
Above the egg chamber is the main water tank, of oblong shape, the top of which is concave the lowest point being at the centre where the ventilator is situated and the highest points at each end: One end of the tank is connected by a pipe with the top of a smaller tank or heater outside of the main incubator, this latter tank covering the lamp. A pipe runs from the bottom of the outside tank into the incubator, makes a coil around the ﬂoor, thence ascending at the back end and connecting with the main tank thus completing the circuit.
From one high end of the main tank an open upright tube is attached. In this tube a ﬂoat resting on the water would rise and fall with the expansion and can traction of the water in the tank. This ﬂoat was attached to a lever which was connected with an attachment on the lamp, which attachment with the rise and fall of the ﬂoat in the tube would regulate the ﬂame of the lamp.
The first year 1 had the incubator it run splendidly. The trouble commenced the second year and was as follows.
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