All
Showing 1 to 1 of 1
-
Makers of the Telegraph: Samuel Morse, Ezra Cornell and Joseph Henry
Kenneth B. LifshitzCurrent price €31.03Original price €36.50The single-wire telegraph revolutionized long distance communication but it was not the brainchild of one inventor, Samuel Morse. His colleagues...
View full detailsCurrent price €31.03Original price €36.50Save 15%
Sort by