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. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.