In 1543, Andreas Vesalius published On the Fabric of the Human Body, which corrected errors from antiquity and advanced the medical sciences.
The misinterpretations which he had suffered induced Lotze to publish a small pamphlet of a polemical character (Streitschriften, Leipzig, 1857), in which he corrected two mistakes.
Airy, the astronomer, about 1827, corrected his own astigmatism by means of a cylindrical lens.
Between these extreme examples stands the ordinary photographic objective: the portrait objective is corrected more with regard to aperture; objectives for groups more with regard to the field of view.
He corrected one other movement and slowed their pace until it resembled that of the youths being trained a short distance away.
Evelyn corrected with another giggle.
For this reason the objectives have been called monochromats, as they have only been corrected for light of one wave-length.
The true order of discovery, however, was as follows: (a) Sir Christo p her Wren made many experiments before the Royal Society, which were afterwards repeated in a corrected form by Sir Isaac Newton in the Principia, experimentally proving that bodies of ascertained comparative weights, when suspended and impelled against one another, forced one another back by impressing on one another opposite changes of velocity inversely as their weights and therefore masses; that is, by impressing on one another equal and opposite changes of momentum.
At the open end, as a first approximation to be corrected later, there are no pressure changes, for any tendency to excess can be relieved by immediate expansion into the outer air, and any tendency to defect can be filled up by an inrush from the outer air.
In the 1 1th century a similar task was undertaken by Lanfranc, archbishop of Canterbury (1069-1089); in the 12th century by Stephen Harding (1109), third abbot of Citeaux, and by Cardinal Nicolaus Maniacoria (1150), whose corrected Bible is preserved in the public library at Dijon.