[D8737AAX], Test Report, Henry E Walter, May 12th, 1887


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[D8737AAX], Test Report, Henry E Walter, May 12th, 1887

Editor's Notes

"'16' I ran former, for 250 V. and 300 A at 2000 rev. Armature is a regular '16' in size or 11.0625 911 1/16") diameter and 10.875" at level ## Wind with 6 #11[-] (Brof. 12") once round and 52 co[--]t[--] blocks at end & 104 divisions. Wound oppositley and not vertically [diagram of apparatus described] Resistance .0705 ohms at each end. Magnet cores: regular '20''s would with extra wire or 550 lbs = 275 lbs on each core. Resistance 27.5 ohms. Volts to charge field to necessary extent 175. Extra resistance about 12 ohms for 250 volts in order to keep heat down. ## (#11 B & [-] [--] magnets) [some numbers and another small diagram] [On the reverse side of the document: some numbers added and a couple very vague, rough drawings.]



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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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