"I have written the [pamphlet?] relative to Transmitter and phone adjustment. The trouble in former cnanot be on account of resistance of coils, it must be heavy action caused by bearins not being true or side screws too tight. The armature may have been strained in transit."

Tate, Alfred Ord

Logue, William S

Chicago and Grand Trunk Railway

1887-02-03

1880-1889

Letter

Phonoplex and railroad telegraphy

LM013319

LM013

[LM013319], Letter from Alfred Ord Tate to William S Logue, February 3rd, 1887

84:681

Thomas Edison National Historical Park

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