290 THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1957 



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Fig. 7 — Power equipment. 



expanded-scale current recorders (from — 1 per cent to + 1 per cent of 

 the normal current). 



The equipments were completed at the begimiing of 1956, and have 

 given satisfactory service both at the terminal stations and on board 

 H.M.T.S. Monarch. From March to June, 1956, all four units at the 



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