Does it work? Have you plugged your C-8 into it ? The reason I ask is that the female plug on the unit is a non polarized non ground type. The typical C-8 from the 70's used the gray Belden cord with oval female plug and had a male three prong, grounded plug so it may not be able to be plugged into the unit directly without an adapter.
The quote that a C-8 tracked at a fixed Sidereal rate is not correct. They are geared to drive at Solar rate. That is one of the reasons why one would want to use an inverter that you can vary the frequency and achieve sidereal rate or others like Lunar or King.
What would be interesting to me would be what the inside looks like. Many of these drive correctors are based on the Saxon circuit that published in the Jan 1974 Sky and Telescope.
Edited by DAVIDG, 05 January 2020 - 07:14 PM.