Frost And Fire Natural Engines Tool Marks And Chips
Frost And Fire Natural Engines Tool Marks And Chips
J F John Francis Campbell
The book Frost And Fire Natural Engines Tool Marks And Chips was written by author J F John Francis Campbell Here you can read free online of Frost And Fire Natural Engines Tool Marks And Chips book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Frost And Fire Natural Engines Tool Marks And Chips a good or bad book?
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When the rumble of wheels becomes a muffled sound, and the earth is white with fresh snow, hostile armies bomlmrd each other with snov/balls. The soft downy crystals are kneaded together, and become tough, firm, spherical missiles, in which state they are like neve. When they are wetted and frozen they are like glacier ice. Wlien one of these, badly aimed at a passenger, hits a wall, it changes form, and sticks. 1 74 DENUDATION — FROST-MAr. KS. The force which drove it is turned aside ; one end... is flattened and spreads like a white star * ; the other stands up like a miniature snow mountain A. But the snowball, like the snow- mountain, sticks together, because it is at a welding heat. Because the welding heat of ice is 32°, crushed ice mends. A large mass subjected to heavy pressure may be squeezed into any mould. To use the modern word, glaciers " regelate. " The base of the snow -mound shoved down by the top of the heap is crushed into hollows, and pushed down into glens. If it moves faster than it melts, the glacier passes rinder the snow-line, and it may be launched in the sea at last.
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