I will not bear in mind just what angle the angled riffles have been at, but I may have that info someplace. I believe the BGS unit was about 10* from the stroke line. Also, Wilfley's desk wasn't rectangular. It was 19" for the con finish, and about 14" on https://safe-haven-assets55284.alltdesign.com/the-smart-trick-of-user-testimonials-for-gold-retirement-accounts-that-nobody-is-discussing-55186670