sliderulemuseum.comsliderulemuseum.com/Manuals/M105_Jakar_66_Electro_inst.pdf · ... the movable...
8
sliderulemuseum.comsliderulemuseum.com/Manuals/M105_Jakar_66_Electro_inst.pdf · ... the movable slide and the Cursor with hair-line in ... With one scale being fixed and the other