Vol XLIII MONDAY 13 17644 2203 Some Account of the Going of Mr Harrifon’j Longitude Time-Keeper impcrfeft ..
... regulator being allb lealed in like manner The refult of thefe comparifons was that the time-piece gained upon the regulator for the mod part about one fecond a lometimes a fmall matter it having upon the laft comparifon been found have gained nine feconds and ...