Number of Images: 1; Color: Color; Size: 8.5w x 10.25h; Type of Image: Document; Medium: Paper
Type:
Document
Paper
Place:
United States
Date:
September 8-9, 1848
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 SIA2011-0825 to SIA2011-0830. For letters between Vail, Morse, and first Smithsonian Secretary Joseph Henry, see Negative Numbers SIA2011-0814 to SIA2011-0823.
Summary:
Alfred Vail's diary entries for these two September 1848 days record the weather and his daily activities. His activities relate to the development and upkeep of the telegraph lines that he oversaw.
Contained within:
Smithsonian Institution Archives, Record Unit 7055, Box 5, Folder: 1
