Passages from the Life of a Philosopher

by Charles Babbage

55. Statement of the circumstances respecting Mr. Babbage’s Calculating Engines. 8vo. 1843.

56. Note on the Boracic Acid Works in Tuscany.—Murray’s Handbook of Central Italy. First Edition, p. 178. 1843.

57. On the Principles of Tools for Turning and Planing Metals, by Charles Babbage. Printed in the Appendix of Vol. ii. Holtzapffel Turning and Mechanical Manipulation. 1846.

58. On the Planet Neptune.—The Times, 15th March, 1847.

59. Thoughts on the Principles of Taxation, with reference to a Property Tax and its Exceptions. 8vo. 1848. Second Edition, 1851. Third Edition, 1852.

An Italian translation of the first edition, with notes, was published at Turin, in 1851. {496}

60. Note respecting the pink projections from the Sun’s disc observed during the total solar eclipse in 1851.—Proceedings of the Astron. Soc., vol. xii., No. 7.

61. Laws of Mechanical Notation, with Lithographic Plate. Privately printed for distribution. 4to. July, 1851.

62. Note respecting Lighthouses (Occulting Lights). 8vo. Nov. 1851.

Communicated to the Trinity House, 30 Nov. 1851.