Aller directement au menu principal Aller directement au contenu principal Aller au pied de page

Echo Sounding

1937: Vol. XIV, No. 2

Echo Sounding devices presented by the Marconi Sounding Device Company during the IVth International Hydrographic Conference Monaco, 1937 — Marconi Echometer, types 421, 424, 429, 430, Marconi Magneto Striction Equipment, with recorder

Soumise
juillet 31, 2018
Publié-e
2018-05-30