This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Luftschiff Montgolfier. Ballon von Montgolfier de golfire Montgolfier brother's balloon german original upload and scan by de Benutzer SebastianBreier scanned on Jun Brockhaus KonversationsLexikon PDold DEFAULTSORT Montgolfiere Balloon aircraft in art Hot air balloons of France Montgolfier brothers Aircraft of the th century