The investigations on magnetism led to the important practical discovery of a means of rectifying or compensating compass errors in ships.
1 In practice the prerogative is extremely valuable, when used with discretion, as a means of adjusting the different degrees of moral guilt in crimes or of rectifying a miscarriage of justice.
The heat of controversy is, however, abating, and during the past thirty or forty years both Catholic and Protestant investigators have been vying with one another in adding to our knowledge and in rectifying old mis takes; while an ever-increasing number of writers pledged to neither party are aiding in developing an idea of the scope and nature of the Reformation which differs radically from the traditional one.
The operations resulted in re-establishing the confidence of the Confederates in their army which Johnston's retreat from Yorktown had shaken, in adding prestige to President Davis and his government, and in rectifying the popular view of General Lee as a commander which had been based upon his failure to recover West Virginia in the autumn of 1861.
In a small commonplace book, bearing on the seventh page the date of January 1663/1664, there are several articles on angular sections, and the squaring of curves and " crooked lines that may be squared," several calculations about musical notes, geometrical propositions from Francis Vieta and Frans van Schooten, annotations out of Wallis's Arithmetic of Infinities, together with observations on refraction, on the grinding of " spherical optic glasses," on the errors of lenses and the method of rectifying them, and on the extraction of all kinds of roots, particularly those " in affected powers."