For aktiemarkeder har det altid været essentielt at få information tidligt. Derfor blev der oprettet en telegraflinje fra Wall Street til Sandy Hook Fyr til Navesink Highlands for at sende men især modtage beskeder. Det var begyndelsen af det 19. århundrede. Telegrafen var ikke elektrisk, men lavet af træbjælkesemaforer, opfundet af franskmanden La Chappe.
Source: Pierre Berloquin, 2008, Hidden Code & Grand designs, Sterling
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Address: 9 South William Street, NY 10004 New York, New York, United States
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