DUFOURCET, Eugene. Two very early papers on the telephone:
_____. Rapport sur les Experiences de Telephonie…Dax, Imprimerie J. Jestede. Printed ca. 1878. 14pp. 23x16mm. Original printed wrappers.
with:
_____. Deuxieme Rapport sur les Experiences de Telephonie, de Microphone et de Phonographie. Dax: Imprimerie J. Jestede, ca1878. 1st edition. 23x16mm, 24pp, 2 plates. Printed wrappers. Very good copy; some evidence of a small tax stamp on front cover; small rubberstamped owner’s mark on rear wrapper. Very scarce, early treatment on Bell’s telephone. Faites par Quelques Membres de la Societe de Borda.
Both are signed presentation copy from Dufourcet, President of the Societie de Borda. Nice copies, in Very Good condition.
Neither copy is located in WorldCat. $750.00