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Updated: May 10, 2025
At the Ontario Station, the average amounts of carbon dioxide under a large number of hens was .32 of one per cent., or about ten times that of fresh air, or one-sixth of that which the man breathed so happily in the respiratory calorimeter. With incubators, every conceivable scheme was tried to change the amount of carbon dioxide.
The tendency for the rate of airflow to vary is diminished when a cellar is used for an incubator room, but the cellar does not materially remedy the climatic variation in vapor pressure. The general tendency of incubators as ordinarily constructed, is to dry out the eggs too rapidly. With a view of counteracting this, water is placed in pans in the egg room.
Birds are numerous, from the "scrub fowl" which dwells in the dim jungle and constructs of decaying leaves and wood and light loam the most trustworthy of incubators, and wastes no valuable time in the dead-and-alive duty of sitting, to the tiny sun-bird of yellow and purple, which flits all day among scarlet hibiscus blooms, sips nectar from the flame-tree, and rifles the dull red studs of the umbrella tree of their sweetness.
Ain't it like a Dutchman to risk a man's happiness on a fool proposition like that? Now, what's the use? What I don't know about hens would fill several incubators. You say you're giving imitations of the old Arab guy that gave away libraries in Bagdad. Well, now, can you whistle up a fairy that'll solve this hen query, or not?"
First, a state experiment station, the name of which I do not care to publish. Incubators kept in a cement basement which has flues in which fires were built to secure "ample ventilation." This caused a strong draft of cold, dry air, making the worst possible condition for incubation. The hatch for the season averaged 25 per cent. and was explained by lack of vitality in the stock.
Truckloads of monkeys arrived at the lab cold-ridden monkeys, sneezing, coughing, weeping, wheezing monkeys by the dozen. Culture trays bulged with tubes, overflowed the incubators and work tables. Each day six hundred angry students paraded through the lab, arms exposed, mouths open, grumbling but co-operating.
As despite all "progress of science," incubators and other labor-saving machinery, people still persist in entering the world in the primogenial way, the relation of the sexes is of quite immeasurable importance, and knowledge thereof should not be monopolized by the narrow circle who read medical magazines.
The devices I now refer to consist of a row of box incubators which, instead of being heated by single lamps, are heated by continuous hot water pipes. This scheme effects a considerable saving in fuel cost and labor, but the bulkiness of construction and the woeful lack of evaporation control are still to be dealt with.
"And have you had any success with the incubator? I love incubators. I have always wanted to have one of my own, but we have never kept fowls." "The incubator has not done all that it should have done," I said. "Ukridge looks after it, and I fancy his methods are not the right methods. I don't know if I have got the figures absolutely correct, but Ukridge reasons on these lines.
The incubators are built in remote fastnesses, where there is little or no likelihood of their being discovered by other tribes. The result of such a catastrophe would mean no children in the community for another five years. I was later to witness the results of the discovery of an alien incubator.
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