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Multiplex Telegraph

CTL-W-1357 · Work

VERIFIED evidence grade — master store (canonical CSV)

Combined Graph record U-03263 · provenance: canonical master store (CSV), record CTL-W-1357. Master record source: User-supplied article 2026-10-16 (UrbanGeekz) — UNVERIFIED, verify before public citation.

Let moving trains communicate by telegraph and dispatchers locate them

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Let moving trains communicate by telegraph and dispatchers locate them

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Evidence note (master store)

NIHF Woods profile: induction telegraph invented 1887 using static electricity from existing telegraph lines; 'later become the basis of Woods' synchronous multiplex railway telegraph. This device not only helped dispatchers locate trains, but also allowed moving trains to communicate to or from any direction via telegraph.' Stored year 1887 and note confirmed.

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Record CTL-W-1357 · Combined Graph record U-03263 · CultureTechLens Knowledge Graph · 1 source · 1 mapped relationship.
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Researched and maintained by the CultureTechLens research program · CultureTechLens Combined Graph, Release 2026-11-04. Corrections are public: the corrections log.

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Cite as: CultureTechLens, “Multiplex Telegraph (CTL-W-1357),” CultureTechLens Combined Graph, Release 2026-11-04. https://culturetechlens.com/graph/entities/ctl-w-1357/

Chicago: CultureTechLens. “Multiplex Telegraph (CTL-W-1357).” CultureTechLens Combined Graph. Chicago, IL: CultureTechLens, 2026. https://culturetechlens.com/graph/entities/ctl-w-1357/
APA: CultureTechLens. (2026). Multiplex Telegraph (CTL-W-1357) [Entity record]. CultureTechLens Combined Graph. https://culturetechlens.com/graph/entities/ctl-w-1357/
MLA: CultureTechLens. “Multiplex Telegraph (CTL-W-1357).” CultureTechLens Combined Graph, 2026, https://culturetechlens.com/graph/entities/ctl-w-1357/

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Ida B. Wells — portrait from ‘Women of Distinction’ (1893) — CultureTechLens
Ida B. Wells — portrait from ‘Women of Distinction’ (1893) — CultureTechLensPhoto: Public Domain (from ‘Women of Distinction,’ 1893), via Wikimedia Commons
Jacking up a car on the repair tracks at an Illinois Central Railroad yard, Chicago, Chicago, 1942 — CultureTechLens
Jacking up a car on the repair tracks at an Illinois Central Railroad yard, Chicago, Chicago, 1942 — CultureTechLensPhoto: Jack Delano, FSA-OWI, Public Domain, via Library of Congress
Apartment houses and funeral parlor in Negro section of Chicago, Illinois, Chicago, 1941 — CultureTechLens
Apartment houses and funeral parlor in Negro section of Chicago, Illinois, Chicago, 1941 — CultureTechLensPhoto: Lee, Russell, 1903-1986, FSA-OWI, Public Domain, via Library of Congress

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