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LE Anonymous
Instructions for Using the Locomotive Engineers' (or "Hawthorn's") Improved Slide Rule etc. ...
The Mensuration of Superfices & Solids is likewise made perfectly easy; ... . Birmingham: Watton & Co., Printers, 1864. Bound with Anonymous, Instructions for the use of the "Routledge" Engineers' Improved Slide Rule and Anonymous, Instructions for using all the improved Sliding Rules with a description of the Several Lines upon them…. Shelved under Anonymous, 'Instructions for using the locomotive Engineers'….. Lewis Evans Collection
[1924-0]
1864