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- But supposing all these conjectures to be false, you cannot contest the inestimable benefit which I shall confer on all mankind, to the last generation, by discovering a passage near the pole to those countries, to reach which at present so many months are requisite; or by ascertaining the secret of the magnet, which, if at all possible, can only be effected by an undertaking such as mine.Introductory Letters (8% in)
- I waited for my letters with feverish impatience; if they were delayed I was miserable and overcome by a thousand fears; and when they arrived and I saw the superscription of Elizabeth or my father, I hardly dared to read and ascertain my fate.Chapter 19 (61% in)
There are no more uses of "ascertain" in Frankenstein.
Typical Usage (best examples)