Ceramic electrical insulator

Ceramic electrical insulator

Crossed lines (where people could unintentionally be heard by outside listeners) were a common problem in early telephone communication. Transposition insulators such as this one were used to accommodate two separate line wires and reduce the crosstalk of parallel wires.

Item ID: 
H47633
Dimensions
Depth: 
120mm
Height: 
160mm
Width: 
250mm
Publisher: 
Queensland Museum
Rights: 

Copyright © Queensland Museum, 2010

Location: 
Australia
Date captured: 
23 November 2010