The aeronautic expedition of M. Andree to the North Pole

Engineering Index Backfile | 1897

An Expedition from Pole to Pole:Aluminum Lightpoles

Segar, T. L. / Aluminum Association | British Library Conference Proceedings | 1997

Atollego - Light Expedition

Strano, Carmelo | Online Contents | 1998

The Wellman expedition to the pole in a dirigible balloon

Espitallier, Col. G. | Engineering Index Backfile | 1906

Geomagnetism by the North Pole, anno 1769: The Magnetic Observations of Maximilian Hell during his Venus Transit Expedition

Aspaas, P. P. / Hansen, T. L. | British Library Online Contents | 2007