Restoration Medi 713

The "Medi 713" was the first scuba, manufactured in serial production in the GDR and was scheduled for the water rescue service. The construction is rare and should be obtained. The device was produced in the 1960s by "MEDI Leipzig" and should replace the "dangerous" oxygen rebreather "Medi Nixe", filled weight: 11.7 kg. It was approved for a depth of 15m.
Now I got such device in a very dilapidated condition and I have started a restoration ...