• Webster's Revised Unabridged Dictionary
    • Pan-telegraph an electric telegraph by means of which a drawing or writing, as an autographic message, may be exactly reproduced at a distant station.
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In literature:

At the station Pan-Chao explained matters to the stationmaster, who telegraphed for an engine to be sent from Tai-Youan to the Nanking line.
"The Adventures of a Special Correspondent" by Jules Verne
From Jackal's Pan to the next stopping place, Monjana Mabeli, the flat veldt road runs alongside the telegraph wires.
"From Veldt Camp Fires" by H.A. Bryden