計算尺愛好会 keisanjyaku sliderule 旧名「泥沼愛好会」
Rod's Slide Rules
Giovanni Breda's Slide Rule Collection
David McCord's Transpos-O-Matic Muscial Slide Rule
Steve's Slide Rule Collection
Home page - Giovanni Breda
Eric's Slide Rule Site
David Crate's Quality Slide Rules
Home page - Giovanni Breda