Russian Paperwork from Diver Station Unifizierung/Telefon Exploded view

Description

I have collected diving equipment for more than 60 years, I had the world's largest collection of Scubapro diving equipment.
I was the owner of Divingsport Shop
SeaStar-Tauchsport Vienna
for more than 35 years, the collection was exhibited there. Since I retired, I sold the diving center several years ago, but the new owner was not interested in the museum, so I started selling the collector's items.
A lot has already been sold, but a lot is still available.
Here we are now offering:
Paperwork from an RUSSIAN Diver Comunikatio Station
2 books with an lot of Explodet View
in verry good contition
Book 1 have 45 page
Book 2 have 27 page