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Had we mixed 1 kilogram of water at 0° C. with 1 kilogram of water at 79° C. there would have been no change of state, and the temperature of the mixture might be represented as a distribution of the 79° C. through the whole mass of the 2 kilograms, and so would be 39-1/2° C. We say, therefore, the latent heat of water is the heat which is absorbed or rendered latent when a unit of weight, say 1 kilogram of water as ice, melts and liquefies to a unit of water at zero, or it is 79 heat units.

Seaton exclaimed, writhing out of his insulating suit. "I feel as though I'd been pulled half-way through a knot-hole and riveted over on both ends! How big a lens did you make, anyway? Looked as though it would hold a couple of liters; maybe three." "Its contents are almost exactly three liters." "Hm m m. Seven and a half million kilograms say eight thousand tons.

But the barrel soon popped up on the surface, and a few moments later the animal's body appeared and rolled over on its back. Our skiff rejoined it, took it in tow, and headed to the Nautilus. It took pulleys of great strength to hoist this dugong onto the platform. The beast weighed 5,000 kilograms. It was carved up in sight of the Canadian, who remained to watch every detail of the operation.

Thirteen thousand kilograms of projectiles were dropped during the expeditions, which caused serious damage to enemy establishments." British, French, and German air squadrons continued their activities throughout June and July, 1917.

Hocquigny sent me ten thousand kilograms of wood, and then I took courage again. I had been told about some new system of keeping meat, by which the meat lost neither its juice nor its nutritive quality.