[LM013242], Letter from Alfred Ord Tate to Great Northwestern Telegraph Co (Canada), Harvey Prentice Dwight, January 11th, 1887
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Title
[LM013242], Letter from Alfred Ord Tate to Great Northwestern Telegraph Co (Canada), Harvey Prentice Dwight, January 11th, 1887
Editor's Notes
Rcd letter from Logue re: trying to find trouble on Great North West circuit [quoted extenso] "When a transmitter is adjusted so that motion is lost, the armature vibrates against the dischanrging springs and the consequent 'rattle' in receiving phone makes it difficult or even impossible to read from it. If sufficient play--up and down---is not given to the armature (as was the case at Sherbrook[?]) so that in passing between the dischanrging springs the break will be long enough to discharge the coil thoroughly, the result is to weaken the signals greatly."
Author
Mentioned
Date
1887-01-11
Type
Folder/Volume ID
LM013-F
Microfilm ID
84:634
Document ID
LM013242
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University