THE EDINBURGH REVIEW, JULY, 1834. No. CXX. THE CALCULATING ENGINE BY CHARLES BABBAGE Art I.--1. _Letter to Sir Humphry Davy, Bart. P.R.S., on the application of Machinery to Calculate and Print Mathematical Tables_. By CHARLES BABBAGE, Esq. F.R.S. 4to. Printed by order of the House of Commons. 2. _On the Application of Machinery to the Calculation of Astronomical and Mathematical Tables_. By CHARLES BABBAGE, Esq. Memoirs Astron. Soc. Vol. I. Part 2. London: 1822. 3. _Address to the Astronomical Society, by Henry Thomas Colebrooke, Esq. F.R.S. President, on presenting the first gold medal of the Society to Charles Babbage, Esq. for the invention of the Calculating Engine_. Memoirs Astron. Soc. Vol. I. Part 2. London: 1822. 4. _On the determination of the General Term of a new Class of Infinite Series_. By CHARLES BABBAGE, Esq. Transactions Camb. Phil. Soc. Cambridge: 1824. 5. _On Errors common to many Tables of Logarithms_. By CHARLES BABBAGE, Esq. Memoirs Astron. Soc. London: 1827. 6. _On a Method of Expressing by Signs the Action of Machinery_. By CHARLES BABBAGE, Esq. Phil. Trans. London: 1826. 7. _Report by the Committee appointed by the Council of the Royal Society to consider the subject referred to in a Communication received by them from the Treasury, respecting Mr Babbage's Calculating Engine, and to report thereupon_. London: 1829.