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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Faraday as a Discoverer by John Tyndall: cannot be doubted that an action is exerted here, that a true cause
comes into play; but its magnitude is not such as sensibly to
interfere with the force of crystallization, which, in comparison
with the diamagnetic force, is enormous. 'Perhaps,' adds Faraday,
'if a longer time were allowed, and a permanent magnet used, a
better result might be obtained. I had built many hopes upon the
process.' This expression, and his writings abound in such,
illustrates what has been already said regarding his experiments
being suggested and guided by his theoretic conceptions. His mind
was full of hopes and hypotheses, but he always brought them to an
experimental test. The record of his planned and executed experiments
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