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A diagram that shows the details and housing of a Dixie Interrupter.

Dixie Interrupter

A diagram that shows the details and housing of a Dixie Interrupter.

Atwater-Kent Interrupter.

Interrupter

Atwater-Kent Interrupter.

Delco magneto type interrupter.

Interrupter

Delco magneto type interrupter.

Diagram of earlier model of Delco Interrupter.

Interrupter

Diagram of earlier model of Delco Interrupter.

"A transmitter or key is a current interrupter manipulated by the operator. It consists essentially of a metal layer, L, pivoted at aa, and conneted to the line by the screw at m which is insultated from the base, and the screw at n which is connected to the base and lever." -Avery 1895

Telegraph Transmitter

"A transmitter or key is a current interrupter manipulated by the operator. It consists essentially…