Task I:PHASE A Work completed.nTASK II: PHASE A Studies of the capability of the G29 switch have been completed under the conditions suggested by SCEL and primary data obtained on life tests are given in this report.nTASK II: PHASE BnIn order to gain a further understanding of the factors affecting the tolerances which many be placed on the operating characteristics of a miniature relay employing G29 switch and providing two Form C contacts, a special model is under design which will permit replacement of switches without disturbing the relay magnetic structure.nTASK III:nPreliminary studies of the design of a coordinate switching array aimed at wide-band transmission indicates that in the early experimental stages it will be advantageous to study the transmission and the control problems separately.
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