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.
London : printed for G. Kearsly,
1771.
The translator is John Henry Savigny.
With a half-title.
ESTC