. Bell telephone magazine . art. A dust particle that size drift-ing out of the air and landing between thepaths would cause a short circuit. Even moisture is controlled. Humidity iskept below ten per cent—fifteen per centbelow that found in the central Sahara. Restoration Control ^ When natural or man-made disasterstrikes—hurricane, flood or evensabotage— Long Lines Departmentgoes into action immediately to reroutecommunications to protection paths, chan-nels kept free for emergencies. Sometimesrerouting around a trouble spot involvessetting up channels hundreds of miles re
. Bell telephone magazine . art. A dust particle that size drift-ing out of the air and landing between thepaths would cause a short circuit. Even moisture is controlled. Humidity iskept below ten per cent—fifteen per centbelow that found in the central Sahara. Restoration Control ^ When natural or man-made disasterstrikes—hurricane, flood or evensabotage— Long Lines Departmentgoes into action immediately to reroutecommunications to protection paths, chan-nels kept free for emergencies. Sometimesrerouting around a trouble spot involvessetting up channels hundreds of miles recently, the time required to con-tact other offices and establish new routeshas averaged 25 minutes or more. But thisis expected to drop to less than ten minuteswhen the first Bell System semi-automaticRestoration Control Office is completed thisspring. The Wayne (Pa.) Restoration Controlwill be the first of eight master offices tobe established in the United States to helpsurvey and coordinate restoration through. /;; first Resloration Control Office lightstrace outline of simulated circuit failure. 61 subordinate offices in their territories. Long Lines restoration men previouslyhave had no way to determine Instantlywhere a failure occured or what protectionpaths on other facilities were free for needed a fast, fail-proof way of reach-ing at once all the telephone offices involvedin rerouting. Now, with the new WesternElectric-built equipment at Wayne, LongLines technicians will be instantly alerted toa failure by both a bell and lighted walldisplays. One map display shows all the telephoneoffices through which the restoration centerwould coordinate operations in its 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 lig
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