Rubuta ci gaba don wannan sakin layi - Matashi Etzel ya yi karatu daga 1831 zuwa 1835 tare da Nikolaus Friedrich von Thouret. A cikin 1835 Karl von Etzel ya yi aiki a kan ayyukan gini a Faransa, gami da hanyar jirgin kasa ta Paris (Saint-Lazare) <unk> Saint-Germain tare da gadar da ke kan kogin Seine a Asnières (wanda aka lalata a lokacin juyin juya halin Fabrairu na 1848
kuma daga baya sake gina). A cikin 1837 shi ne Babban Injiniya don gina hanyar jirgin kasa ta Versailles.