I never keep in mind what exactly angle the angled riffles ended up at, but I might need that facts someplace. I do think the BGS device was about ten* off the stroke line. Also, Wilfley's table wasn't rectangular. It was 19" on the con stop, and about 14" on https://franciscorxzbd.mdkblog.com/42174424/unboxing-reviews-of-gold-and-silver-products-secrets