dear dougie I'm a big fan of your work please have a look at these urls there's a reason...first one took me ten years to make!
http://www.e-basteln.de/computing/65f02/65f02/
https://loadzx.com/hall_of_thanks/
https://spectrumcomputing.co.uk/list?group_id=1024 http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm http://zxprism.blogspot.com/ https://sites.google.com/site/ulaplus/home
https://www.ys3.org/2008/02/04/behind-the-scenes-with-girls-aloud/
https://velesoft.speccy.cz/data-gear.htm https://www.facebook.com/mb02plus/ https://www.bytedelight.com/…