A very good and clean example of a 0-9.0 volt grid bias radio battery. This one had never been opened at the time . This battery is the same outlets as they all had from -9.0 down to - 1.5 volt in 1.5 volt increments
I will have vintage and period Turntables for sale. I can also advise or service or restore your own.
As my website has been updated, there are photo's which are rather low quality, these will be updated soon.