27-09-2016, 07:20 AM
(27-09-2016, 06:04 AM)Sparks Wrote: What on earth is spade tuning? I have never heard of it! Just searched on Google and found nothing that makes sense!
Bob
https://books.google.co.uk/books?id=SYFTAQAAQBAJ&pg=PA194&lpg=PA194&dq=marconi+spade&source=bl&ots=JKXBSYRDsK&sig=MHvC18T3vDdKrDYeNar5DLuBBRc&hl=en&sa=X&ved=0ahUKEwimtLvGgK_PAhUDJsAKHU3_DTcQ6AEIRzAH#v=onepage&q=marconi%20spade&f=false
http://www.radiomuseum.org/r/marconi_mar...v_2_a.html
Lawrence.
