Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment (1897)
Bailey, Frederick H. (Frederick Harold), 1865- · Boston, D. C. Heath & Co. · leaf 79
hat essential respect dothey agree, and in what dothey differ? • An intermittent springis one that does not flowall the time, but has alter-nate periods of flow andrest. The periods of restcome generally after a longdry spell, and sometimesnot till the dry spell hasended and it is againrainy… … £xp. 62. AIR EXPERIMENTS. cracks through which ran the water that filled it.water flowed out through a single arched opening. 45The
Physics
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