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LE Anonymous
Instructions for the use of the "Routledge" Engineers' Improved Slide Rule, etc...
The Mensuration of Superfices & Solids is likewise made perfectly easy; ... . Birmingham: Watton & Co., Printers, 1867. Bound with Anon., Instructions for Using the Locomotive Engineers' (or "Hawthorn's") Improved Slide Rule and Anonymous, Instructions for Using all the Improved Sliding Rules, with A Description of the several Lines upon them, etc. .... Shelved under Anonymous, 'Instructions for using the locomotive Engineers...'. Lewis Evans Collection
[1924-0]
1867