Columbia Main Spring 3/4" (0.75) x .025" x 10' Pear/Pear VV-XVI Length of Threads: 3/16"

Length of Threads: 3/16"

tracing its origins from Thomas Edison’s groundbreaking tinfoil phonograph to the sophisticated devices of the 20th century

Each chapter highlights significant advancements and provides context about how these innovations transformed the way we experience sound

Cygnet Horn Crane Adjusting Rod Nut for:Cygnet Horn

Length - 1 63/64"

Columbia Main Spring 3/4" (0.75) x .025" x 10' Pear/Pear VV-XVI Length of Threads: 3/16"Main Spring for: Bradley; Chum; Cirola; Columbia No 5; Cresent; Davis; Diamond; Domestic; Excelsior; Harmony; Heineman Nos. 32, 36, 37, 38; Majestic; Manophone; Markel; Meteor; Modernolette; Most Portables; Operola; Outing; Pathe III; Vitanola Dimensions Width 3 4" (0. 75) Thickness 0. 025" Length 10' Outer Connection Pear Inner Connection Pear Diameter of Arbor 3 8"