CHAPTERXXII.BALLOON AT ITS GREATEST HEIGHT.Mouth of the Balloon opened.Section 122.BEing cautious how he suffered thelightestGass to escape throu’ the Top of the Balloon, which must have happened in drawing down the String of the Valve; yet apprehending thePossibilityof an immediate Rupture at itspresent greatestElevation;—glancing his Eyesaroundto take afarewelView;—hepulledthe Twine, that tyed theNeck.Balloonshrunkto its usualShape.123.InstantRelief was given to the Balloon: which shrunk into the Shape which it had assumed in the former Ascent, when the Gass began to issue in visible Vapour, theNecklikewiseloweringitself to the Height of his Shoulders, as in Section 35.Mouthopenedat 41 Minutes past III.124. On stooping he found the Time 41 Minutes after III, and the Thermometer 57.NovisibleVapour escaped.Nor was he surprised that novisibleVapour escaped; as he had imagined that muchcommonAir had been pressed into theMouthof the Balloon: and which, beingheavierthan Gass, woudgo out first.Why theValveat the Top is not to beopened.On that Ground he was confirmed in his Resolutionnotto open the Valve at the top, which always emits thelightestGass.TheNeckbeing madeAir-tight, the Balloon roseagain.125. As soon however as the Neck of the Balloon reached his Shoulder, hegatheredthe Silk in his Hand, and held itAir-tighttho’ untyed, to prevent Evaporation of muchrealGass: presuming that if any Levity remained; the Balloon woud presentlyriseagain, andswell.And he was pleased to find the Event answer his Expectations.
CHAPTERXXII.
Mouth of the Balloon opened.
Section 122.BEing cautious how he suffered thelightestGass to escape throu’ the Top of the Balloon, which must have happened in drawing down the String of the Valve; yet apprehending thePossibilityof an immediate Rupture at itspresent greatestElevation;—glancing his Eyesaroundto take afarewelView;—hepulledthe Twine, that tyed theNeck.
Balloonshrunkto its usualShape.
123.InstantRelief was given to the Balloon: which shrunk into the Shape which it had assumed in the former Ascent, when the Gass began to issue in visible Vapour, theNecklikewiseloweringitself to the Height of his Shoulders, as in Section 35.
Mouthopenedat 41 Minutes past III.
124. On stooping he found the Time 41 Minutes after III, and the Thermometer 57.
NovisibleVapour escaped.
Nor was he surprised that novisibleVapour escaped; as he had imagined that muchcommonAir had been pressed into theMouthof the Balloon: and which, beingheavierthan Gass, woudgo out first.
Why theValveat the Top is not to beopened.
On that Ground he was confirmed in his Resolutionnotto open the Valve at the top, which always emits thelightestGass.
TheNeckbeing madeAir-tight, the Balloon roseagain.
125. As soon however as the Neck of the Balloon reached his Shoulder, hegatheredthe Silk in his Hand, and held itAir-tighttho’ untyed, to prevent Evaporation of muchrealGass: presuming that if any Levity remained; the Balloon woud presentlyriseagain, andswell.
And he was pleased to find the Event answer his Expectations.