Rod Lovett's Chemical Slide Rule Archive |
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| 13th January 2026 | Dyna-Slide Solution Concentration and Gas Law Slide Rule | New Entry |
| 13th January 2026 | Dyna-Slide Mole Fraction Slide Rule | New Entry |
| 13th January 2026 | Graphic pH Calculator | New Entry |
| 23rd June 2025 | Shanghai Chemical | New Entry |
| 16th February 2025 | Marcantoni 25 CH Chemical | New Entry |
| 16th February 2025 | Donald Hedberg Chemical Predictor | New Entry |