Autor: Alexander Graham Bell

Ajutor

2 Ebooks de Alexander Graham Bell

Alexander Graham Bell & Benjamin Franklin: Invention and Discovery
Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. To a good many …
PDF
Engleză
DRM
€10.08
&al. & Alexander Graham Bell: The production of sound
This book deals with the works of Graham Bell and other scientists on the phenomena of sound and its production. “In bringing before you some discoveries made by Mr. Sumner Tainter and myself, which, …
EPUB
Engleză
€3.99