File:Bell telephone magazine (1922) (14733350966).jpg

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English:

Identifier: belltelephone6667mag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

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ons in its territory.A second display identifies the channel thatfailed and lists the prearranged restorationplans. (The Wayne Restoration Control Officehas more than 700 restoration plans, in-volving 19 subordinate offices, in a territorythan includes parts of four states.) All in- formation shown in the lighted displays isprovided by a new Western Electric telemetrysystem that not only scans all communica-tions channels in the territory continuously,but also allows the Restoration Control Officeto activate the reroute switches in distant,unattended offices. Flood Forecasting System m The U.S. Weather Bureau has startedtests of a new electronic detectionsystem that may provide warning of flashfloods to hundreds of river towns. The pilotproject, called AHOS (Automatic HydrologicObservation System), employs 20 remotestations in the Potomac River Valley. Fromfour states, AHOSs sensing equipment trans-mits river and rainfall data continuously toWashington, D.C., furnishing Weather Bureau
Text Appearing After Image:
At Washington National Airport, left, data is relayed from I) c\iciii i , . ; . ., •.r^in-cl ccjiiip-inent to meteorologist at map in Weather Bureau Control room. Information comes from 20automatic reporting stations where recording devices, such as precipitation-sensing devicebeing connected to system al ri^ht. provide constant data on possible flood conditions. 62 .hydrologists with the vital up-tothe-mlnuteinformation they need for flood forecasting.The whole process requires a fraction ofthe time it takes if the data is read fromgauges by Weather Bureau observers, whooften are farmers, housewives and merchantsin flood-prone areas. Frequently they musthike several miles just to reach the semi-isolated measuring locations. Round-the-clocksurveillance, which AHOS makes possible,maximizes the hydrologists opportunity forearly flood detection, a significant step towardeliminating the surprise element from floods.Equipment for AHOS was designed andmuch of it manufactured by Western El

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Author Internet Archive Book Images
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Volume
InfoField
45-46
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27 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14733350966. It was reviewed on 17 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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