Show
5 citations
related to Railroad Signals
Show
5 citations
related to Railroad Signals as a subject or category
Article
Isabel Rábano Gutiérrez del Arroyo
(2022)
El ingeniero de minas Manuel Fernández de Castro y Suero y su privilegio de invención (1853) para evitar accidentes ferroviarios.
Llull: Revista de la Sociedad Española de Historia de las Ciencias y de las Técnicas
(pp. 145-158).
(/isis/citation/CBB758053399/)
Book
Brian Solomon
(2015)
Classic Railroad Signals: Semaphores, Searchlights, and Towers.
(/isis/citation/CBB624904223/)
Article
William J. Doyle
(Fall/Winter 2010)
Telephone Train Order Signals.
Railroad History
(pp. 56-64).
(/isis/citation/CBB764983620/)
Article
Roma, Jon
(Fall/Winter 2010)
Changing of the Guard: Marking the End of the "Armstrong" era.
Railroad History
(pp. 65-69).
(/isis/citation/CBB508546074/)
Article
Donald F. Morrison
(Fall/Winter 2010)
Railroad Signal Innovator.
Railroad History
(pp. 51-55).
(/isis/citation/CBB346763541/)
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