A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 83
sheep in a region covered with marshin winter and hot sand in summer,they mount on stilts about four feethigh. Though the centre of gravityis raised, and their liability to fallthus increased, by practising froman early age they become exceeding-ly expert on these stilts, and can notonly walk on… … SHEPHERDS OF UUTDE8. carrying a weight on one side ? Why do we find it easier to carry a pail of water ineach hand than to carry hut one ? Why is an infant safer when creeping than whenattempting to walk? Why does an intoxicated person reel? 167. When a personslips on one side, what does he do, and…
Physics
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