During that same year, another inventor, Jacques Charles, unveiled the first gas - filled balloon, which was inflated with hydrogen, or “inflammable air, ” as it was then known.
उसी साल के दौरान एक और आविष्कारक, ज़्हाक शार्ल ने पहला गैस - भरा गुब्बारा पेश किया ।