Sir Watkin, Bart Williams-Wynn >>
Watkin, C.B., introduced a hydroclinometer fixed on the trunnion.
Watkin, C.B.,describes the theory of the sight thus (Pro- ceedings R.A.I.
It followed that when the gun was elevated or depressed, the rack caused the pinion to revolve, and the sight was thus raised or lowered to the proper height to fulfil the conditions given above; but, as Colonel Watkin said, owing to want of level of platform and other causes it was not satisfactory.
At a trial in Westminster Hall about the patent rights granted t o John Dollond (Watkin v.
Dans le proves qu'il y eut entre Dollond et Watkin, au banc du roi, cela fut prouve; mais Dollond gagna, parce qu'il etoit le premier qui eat fait connoitre les lunettes achromatiques."