American military balloon unit inflating a reconnaissance balloon with hydrogen (1862). The balloons used were of varnished silk and, in spite of a small amount of leakage, they still retained sufficient gas to make ascents some days after their initial inflation. Engraving from Astra Castra by Hatton Turnor (London, 1865).
| px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP09160495
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
Same folder images:
Americanmilitaryballoonunitinflatingreconnaissanceballoonhydrogen1862balloonsusedvarnishedsilkspitesmallamountleakagetheystillretainedsufficientgasmakeascentsdaysaftertheirinitialinflationEngravingAstraCastraHattonTurnorLondon1865USATransportAeronauticsFlightBallooningObservationInformationTextileChemistry
18621865AeronauticsAmericanAstraBallooningCastraChemistryEngravingFlightHattonInformationLondonObservationTextileTransportTurnorUSAafteramountascentsballoonballoonballoonsdaysgashydrogeninflatinginflationinitialleakagemakemilitaryreconnaissanceretainedsilksmallspitestillsufficienttheirtheyunitusedvarnished
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