tag:blogger.com,1999:blog-881842661768630727.post5516926818665201665..comments2023-06-27T03:23:48.156-07:00Comments on Manual Entry: Slide Rules - with a differencenotagainhttp://www.blogger.com/profile/02915679111849352765noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-881842661768630727.post-53413333117893207412015-06-13T13:58:56.223-07:002015-06-13T13:58:56.223-07:00These are all cool, and all mystifying to me.These are all cool, and all mystifying to me.Richard Phttps://www.blogger.com/profile/16232053429935587826noreply@blogger.com