Title
French Patent and Certificat d'Addition by Thomas Alva Edison
Reference
UK0108 NAEST 073/2
Date
1879-1880
Scope and Content
Printed Brevet d'Invention (Patent) issued to Thomas Alva Edison, of 1879-11-20, with printed Certificat d'Addition to be added to his patent of 1879-05-28, regarding improvements to his electric light. With MS name of C[harles] Faraday Proctor on front cover
Physical description
Number of pieces: 2
Language
French
Persons keyword
Edison Thomas Alva, Charles Faraday
Subject
Filaments
Conditions governing access
Open
Level of description
file