Sun Hemmi Slide Rule No.259 12 5/8\" Advanced Mechanical Engineering
![Sun Hemmi Slide Rule No.259 12 5/8\](img-large/g/-ssAAOSwv9hW4aGm/s-l1600/Sun-Hemmi-Slide-Rule-No-259-12-5-8-Advanced-Mechan.jpg "Sun Hemmi Slide Rule No.259 12 5/8\")
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Sun Hemmi Slide Rule No.259 12 5/8\" Advanced Mechanical Engineering:
$149.99
Sun Hemmi Slide Rule No.259 10\" Advanced Mechanical Engineering
Front scale:L, K, DF [CF, CIF, CI, C] D, LL/0, LL0Back scale:LL/1, LL/2, LL/3, A [B, T, S, ST, C] D, LL3, LL2, LL1
The unique non-warping and self lubricating nature of bamboo made these rules extremely popular and long wearing. They made rules for special purposes which are among the best ever made. The 259 mechanical rule isstill highly sought after today as a working rule.
Sun Hemmi Slide Rule No.259 12 5/8\" Advanced Mechanical Engineering:
$149.99