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TTT244 Hemmi 266 Slide Rule Demo (tomtektest) View |
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TTT235 Specialty Slide Rules (tomtektest) View |
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TTT226 Slide Rule Diversion (tomtektest) View |
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Slide Rules: Keuffel u0026 Esser vs. Hemmi u0026 Post Versalog (Robert Research Radios) View |
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TTT233 Hemmi Slide Rules (tomtektest) View |
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TTT232 Post Slide Rules (tomtektest) View |
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Hemmi 260 Layout 1/2 (Professor Herning) View |
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The Spitzglass Slide Rule - Robert Adams - (ARCjfz62) View |
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Slide to rule the world (Damián Gulich) View |
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System Wern ABC Slide Rule 2/3 -- Additional Calculations (Professor Herning) View |