// todo need optimize like in event.jsp. Add indexing or not indexing this page. 10M telephones (1 janv. 1918 – 31 déc. 1918) (La bande de temps)
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10M telephones (1 janv. 1918 – 31 déc. 1918)

Description:

It was estimated that approximately ten million Bell system telephones were in service throughout the U.S.

Ajouté au bande de temps:

click for descriptions/PHONE TIMLINE

ByJasun Foley
23 oct. 2018

Date:

1 janv. 1918
31 déc. 1918
~ 12 months
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