Automatic telephony: With special reference to the peel-conner telephone works' machine switching system

Having stated that, owing to the magnitude of the subject of Automatic Telephony he would have to confine himself to the Poel-Conner System, the lecturer began by explaining the general arrangement of a modern manual exchange, and showed how operators by means of cords and the multiple field could connect the calling party with the wanted line. He pointed out that the fundamental feature of the multiple switchboard was the placing of a jack for every line in the exchange within reach of every operator, thus providing on each section a means of access to each subscriber.