Tabulations of data furnished by American users of the international communication facilities in response to a questionaire based on the Cortina majority report ... Tableaux des donne es fournies par les usages ame ricains des facilite s de communications internationales en re ponse a   un questionaire base  sur le rapport de majorite  de Cortina.
Contributors: Confe rence te le graphique internationale (1928 : Brussels)
Publisher: U.S. Govt. print. off.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Cipher and telegraph codes.
Notes: At head of title: Delegation of the United States of America to the International telegraph conference of Brussels.

English and French.