- ArchiefMG 146 - W.O. Kupsch fonds
- ReeksJ. Audio-Visual Materials
- 1217 more...
- StukWOK 11-50 - Putting soap into small geyser to induce eruption
- StukWOK 11-51 - Beginning of eruption after soaping of small geyser
- StukWOK 11-52 - Height of eruption after soaping of small geyser
- StukWOK 11-53 - Eruption of a geyser induced by adding soap
- StukWOK 11-54 - Geologists photographing eruption of geyser stimulated by soap
- StukWOK 11-55 - Geologists photographing a bus over a narrow bridge crossing the Tungufljot
- StukWOK 11-56 - Gullfoss waterfall of Hvita River
- StukWOK 11-57 - Rainbow over Gullfoss waterfall of Hvita River
- StukWOK 11-58 - Geologists at work near Gullfoss
- 1079 more...