Arago the Astronomer. 1855 H.M. New Floating Battery \"Thunder.\" And Mr. Roebuck, M.P. for Sheffield. Arago the Astronomer. 1855 Article with Engravings. £12.50 Quantity: at £12.50 each Add To Basket 1 in stock. For Sale is a Full Page from the Illustrated London News May 19th 1855, showing an Article with the following Engravings called "Arago the Astronomer."a- Altitude and Azimuth Instrument. By M. Froment.b- Mounting of Equatoreal. By M. Brunner.Also on this Page is an Engraving of H.M. New Floating Battery, "Thunder."Also an Article with Engraving for "Mr. Roebuck, M.P. for Sheffield, Chairman of the Committee on the State of the Army before Sebastopol." Condition is Good, some Light Foxing Spots beginning to show.