elaborate hydrogen

1 media by topicpage 1 of 1
[Five technical illustrations show network of ropes and apparatus for securing multi-passenger platforms on captive balloons; arrangement of ropes for netting; and an elaborate hydrogen manufacturing and pumping station for inflating balloons] / A. Tissandier.

[Five technical illustrations show network of ropes and apparatus for ...

Scale "Échelle de 0m.015 pour 1 mètre" on two prints. "Giffard" inscribed bottom left. Tissandier collection.