An essay on the mystery of tempering steel : wherein the effects of that operation are fully considered / Extracted from the works of the celebrated Mons. Reaumur ; By J. Savigny.

  • Réaumur, René-Antoine Ferchault de, 1683-1757.
Date:
1771
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the mystery of tempering steel : wherein the effects of that operation are fully considered / Extracted from the works of the celebrated Mons. Reaumur ; By J. Savigny. Source: Wellcome Collection.

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    PREFACE. xi£ < * ' ? i. \ t * 7 « very great extent of his judge¬ ment. I . - ■ . * . I will not pretend to alledge however, that every reafbn ad- %• * t *. * vanced by him, carries fuch a • *, • « * ' , # degree of conviction with it, as to leave the mind without a * .« t , ». i t i rf * • doubt, nor do I believe, that he ( , * ■> ' * 4 ' * • * . > * * - 'l ** * * • * himfelf entertained that opinion pf his arguments, even experi- ’• 5 ments themfelves, however Ipeci- ous in appearance, do fometimes illude the mind, and betray us into » ' A-