Results for "Maine"
- Smithsonian Legal Document
An Act to facilitate Communication between the Atlantic and Pacific States by Electric Telegraph
- Date: 1863 06/16/1860
- Creator: 36th Congress, Sess. 1, 1860
- Creator: 36th Congress, Sess. 1, 1860
- SI History Bibliography
Biographical Memoir of Joseph Henry
- Date: 1879
- Creator: Gray, Asa 1810-1888
- Creator: Gray, Asa 1810-1888
Morse's Experimental Telegraph
- Date: Date unknown, c. 1920s?
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Effects of Civil War on the Smithsonian
- Date: 1861
George Ashley Campbell (1870-1954)
- Date: July 17, 1935
Earliest Telegraph Machine
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
- Smithsonian Legal Document
An act to aid in the protection of the public buildings and property against loss and damage by fire
- Date: 1879 12/13/1878
- Creator: 45th Congress, Sess. 3,1878
- Creator: 45th Congress, Sess. 3,1878
- SI History Bibliography
Theorists and Ingenious Mechanics: Joseph Henry Defines Science
- Date: 1973
- Creator: Molella, Arthur P
- Creator: Molella, Arthur P
Electromagnetic Telegraph Exhibit in A&I
- Date: 1920s
- Creator: Unknown
- Creator: Unknown
Samuel Morse Publishes Attack on Joseph Henry
- Date: January 1855
- Smithsonian Legal Document
An Act Making appropriations to supply deficiencies in appropriations for the fiscal year ending June 30, 1921, and prior fiscal years, and for other purposes
- Date: 1921 03/01/1921
- Creator: 66th Congress, Sess. 3, 1921
- Creator: 66th Congress, Sess. 3, 1921
- SI History Chronology
Joseph Henry Demonstrates Primitive "Relay" Telegraph
- Date: 1835
![Earliest Telegraph Machine, 1880, Smithsonian Institution Archives, SIA Acc. 11-006 [MAH-3367].](https://ids.si.edu/ids/iiif/SIA-MAH-3367-000003/full/250,/0/default.jpg "Earliest Telegraph Machine, 1880, Smithsonian Institution Archives, SIA Acc. 11-006 [MAH-3367].")
