We don't have synonyms for telautograph yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are telautography and telautogram.
(n) :
(historical) An analogue precursor to the fax machine, transmitting electrical impulses recorded by potentiometers to servomechanisms attached to a pen at the receiving station, thus reproducing a drawing or signature made by the sender.
(n) :
(historical) An analogue precursor to the fax machine, transmitting electrical impulses recorded by potentiometers to servomechanisms attached to a pen at the receiving station, thus reproducing a drawing or signature made by the sender.