Number of Images: 1; Color: Color; Size: 4w x 6.5h; Type of Image: Document; Medium: Paper
Type:
Document
Paper
Place:
United States
Date:
c. 1844
Category:
Historic Images of the Smithsonian
Notes:
Alfred Vail was a key partner to American inventor Samuel Morse and is credited with designing the machine and alpha code used in the creation of the electromagnetic telegraph.
For other materials relevant to Vail's work, see Negative Numbers SIA2011-0824 and SIA2011-0826 to SIA2011-0830. For letters between Vail, Morse, and first Smithsonian Secretary Joseph Henry, see Negative Numbers SIA2011-0814 to SIA2011-0823.
Summary:
This cover of Alfred Vail's experiment notebook has Vail's alpha code on it, better known as Morse Code. The code on the bottom of the cover reads "Alfred Vail's Book."
Contained within:
Smithsonian Institution Archives, Record Unit 7055, Box 5
