THE INSTRUMENT HAS TWO CLOCKWORK. ONE OF THEM IS WORKING AND THE OTHER ONE IS COMPLETE BUT IT NEEDS TO BE CLEANED. KEY TO WIND BOTH MOVEMENTS ARE MISSING. SWITCH TO STOP AND START ONE MOVEMENT IS WORKING, HOWEVER KNOB IS MISSING. ALL DEFECT NOT MENTIONED BUT VISIBLE IN THE PICTURES WILL BE CONSIDERED AS DESCRIBED.IF YOU HAVE ANY QUESTION PLEASE DO NOT HESITATE TO CONTACT ME. Ultra rare and antique Mackenzie ink polygraph. One of the first ink polygraph ever made and the firt one made in France. Unsigned but made by G. Boulitte (you can see this polygraph in catalogues made by Boulitte). Made between 1910 to 1925.
Instrument will be send dismantled in two packages to avoid any damage (very easy to assemble it with four screws). If you have any question, do not hesitate to contact me. Thank you for your visit. The item "RARE ANTIQUE 1910 MACKENZIE INK POLYGRAPH 1ST PARIS BOULITTE CLOCKWORK WIND UP" is in sale since Wednesday, July 3, 2019.This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "liancollect" and is located in Buenos Aires, Buenos Aires. This item can be shipped worldwide.