[MBN002049A], Technical Note, Charles Batchelor, November 24th, 1877

Item

Abstract

found that telephones like No. 62 [a previous entry] work best when placed in a polarized circuit -- drawing shows circuit -- Batch also tried working platina point arrangement like drawings in this circuit

Date

1877-11-24

Decade

1870-1879

Identifier

MBN002049A

Folder Set

MBN002

Title

[MBN002049A], Technical Note, Charles Batchelor, November 24th, 1877

Microfilm ID

90:681

Publisher

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