Telefonie.

This item contains no English description. See the Dutch description: Netherlands - Denmark Telecommunications 1951. Installation of the first direct telecommunications link between the Netherlands and Denmark by means of repeated submarine coaxial cable. 1951. London, Standard Telephones and Cables Limited, z.j. [pag. ongenumm.]. Ringband. Oblong. met afb. in zw.wit.

= Met 10 originele zw.wit foto's waarvan enkele voor dit boek gebruikt zijn.