This is the best place to ask detailed questions about the Argus 4 series of cameras and accessories from e2v.
Some members are familiar with these cameras and can advise regarding use. As the cameras are still serviced (by Avon now) and in use with the original owners little 'hobbyist' material comes to light for home repairs
The cameras are export controlled (Wassenaar) so discussion should not discuss 9Hz image restrictions and the immediate electronics as this board is visible worldwide.