Preface; 1. Statement of the circumstances attending the invention and construction of Mr Babbage's calculating engines; 2. Sketch of the analytical engine, invented by Charles Babbage L. F. Menabrea; 3. Babbage's calculating engine Dionysius Lardner; 4. Excerpts from 'Passages from the Life of a Philosopher'; 5. Note on the application of machinery to the computation of astronomical and mathematical tables; 6. A letter to Sir Humphry Davy on the application of machinery to the calculating and printing mathematical tables; 7. On the theoretical principles of the machinery for calculating tables; 8. Observations on the application of machinery to the computation of mathematical tables; 9. Address of Henry Thomas Colebrooke on presenting the gold medal to Charles Babbage, 13th July, 1823; 10. On Mr Babbage's new machine for calculating and printing mathematical tables Francis Baily; 11. Minutes of the Council of the Royal Society, 12th February, 1829; 12. Report of the committee appointed by the Council of the Royal Society, February 1829; 13. On a method of expressing by signs, the action of machinery; 14. Laws of mechanical notation; 15. Mechanical notation Henry P. Babbage; 16. Scheutz's difference engine, and Babbage's mechanical notation; 17. Sur la machine Suedoise, de Messrs. Scheutz; 18. Observations addressed to the President and Fellows of the Royal Society, 30th November, 1865; 19. Letter of General Menabrea, to the editor of Cosmos, 20th April 1855; 20. Report to the Council of the Royal Society on the calculating engine of M. Scheutz; 21. Minutes of the Proceedings of the Institution of Civil Engineers, January, 1857; 22. Minutes of the Proceedings of the Institution of Civil Engineers, April, 1857; 23. Analytical engine, catalogue of 386 notations; 24. Classed catalogue of the notations of the analytical engine; 25. Catalogue of the drawings of the analytical engine; 26. List of other drawings of the analytical engine; 27. List of scribbling books; 28. Part of Chapter XIX, Economy of machinery and manufactures, 1832; 29. Excerpt from the ninth Bridgewater treatise; 30. Excerpt from the Exposition of 1851; 31. Proceedings of the British Association, 1878; 32. Proceedings of the British Association, 1888 Henry P. Babbage; Conclusion.
An 1889 collection of articles about Charles Babbage's calculating engines, the forerunners of modern computers.