Patentes:

1. US1647. IMPROVEMENT IN THE MODE OF COMMUNICATING INFORMATION BY SIGNALS BY THE APPLICATION OF ELECTRO-MAGNETISM. (June 1840). SAMUEL E. B. MORSE. https://patents.google.com/patent/US1647A/en?oq=us1647

2. US4453. IMPROVEMENT IN ELECTRO-MAGNETIC TELEGRAPHS. (Abr. 1846). SAMUEL E. B. MORSE. https://patents.google.com/patent/US4453A/en?oq=us4453

Sites, artigos e livros:

1. Piercy, Willis Duff. Great Inventions and Discoveries. [New York, Charles E. Merrill company, 1911] Pdf. Retrieved from the Library of Congress, www.loc.gov/item/11016967/

2. Forman, Samuel Eagle. Stories of Useful Inventions. New York, The Century co, 1914. Pdf. Retrieved from the Library of Congress, www.loc.gov/item/15001523/

3. Macomber, H. E. (1897)...Stories of great inventors: Fulton, Whitney, Morse, Cooper, Edison. [Boston, New York etc. Educational publishing company] [Pdf] Retrieved from the Library of Congress, https://www.loc.gov/item/04017685/

4. 1844 Whig National Convention: https://en.wikipedia.org/wiki/1844_Whig_National_Convention

5. Whig Party (United States): https://en.wikipedia.org/wiki/Whig_Party_(United_States)

• Entre tantas outras pesquisas que não lembrei de anotar aqui. Acredito que com estas referências, já consigo dar uma direcionada em quem tiver interesse de pesquisar sobre o tema.

• Algumas imagens (desenhos) são feitas com IA e estão identificadas na tela com a mensagem “representação artística”. 

• A maioria das imagens e vídeos estão em domínio público, são autorais de Invenções na História ou são cortesia de:

1. Smithsonian Institution, Järnvägsmuseet, Library of Congress, Pexels, Europeana.

2. [Crédito: Library of Congress]. Samuel F. B. Morse, head-and-shoulders portrait, facing right. , ca. 1845. [Photograph] Retrieved from the Library of Congress, https://www.loc.gov/item/2004664459/

3. [Crédito: Bergström, Rolf/Järnvägsmuseet]. En komplett telegrafanläggning i det då planerade TGOJ museet i Skogstorps stationshus. por Bergström, Rolf - Swedish Railway Museum, Sweden - Public Domain. https://www.europeana.eu/item/154/S_JVM_photo_JvmKDAM00887

4. [Crédito: Järnvägsmuseet]. Telegraf och tågexpedition Almedal 1922 por Fotograf okänd, - Swedish Railway Museum, Sweden - Public Domain. https://www.europeana.eu/item/154/S_JVM_photo_JvmKDCA00502, https://digitaltmuseum.se/021018187103/telegraf-och-tagexpedition-almedal-1922

5. [Crédito: Smithsonian]. Morse-Vail Telegraph Key 3D model. Creative Commons Zero (CC0) license.  Smithsonian Institution. https://www.si.edu/object/3d/morse-vail-telegraph-key:ed99f44d-3c60-4111-b666-e2908e1b64ef

Vídeos utilizados:

6. [Crédito: Michael/Pexels]. Video by Michael : https://www.pexels.com/video/steam-locomotive-approaching-5701553/