This famous RULE have 34 Scales MAX, is especially fascinating one of the most complicated slide rules ever made in the world. 34 ten-inch scales, including hyperbolics.1003 Slide Rule made for mechanical engineering. This slide rule has a whopping 34 scales on it. This includes two square root scales, two tangent scales and a number of hyperbolic scales which includes scales H0, H1, SH0, SH1, TH0, CH1. This is one of the most comprehensive slide rules. If you are a slide rule collector must have one! I bought this Flying Fish 1003 from A university old stock, Fortunately this rule still keep in stock, the electronic calculator begin to be used in mechanical engineering. So this 1003 slide rule NEW IN BOX! Fewer and Fewer left, harder and harder to find a New unopened. Flying Fish 1003 Made in China by Flying Fish (formerly Shanghai) Front Scale (Extended) LL03, LL02, LL01, LL00, DF [CF, CIF, H0, H1, P, CI, C] D, LL0, LL1, LL2, LL3 Back Scale: SH0, SH1, CU1, CU2, CU3 [L, T0, T1, T2, S, SRT, C] D, SQ2, SQ1, TH0, CH1 Other On the right end of the rule with some self documenting for explaining the scales. Contact Me More Other Rare vintage china slide rules 30kinds available. If you have any question please feel free to contact me. Wide Flying fish shanghai slide rule 1003 max 34 Scales NEW mechanical" is in sale since Sunday, May 27, 2018. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "xmuking" and is located in shanghai. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.