The National Archives (UK) - Digital Microfilm - Convict Records

This service allows you to search and download some of the most popular records on microfilm. These files are large (some up to 800 pages) so a broadband connection is essential. These documents are currently free of charge to download. These records have not been indexed and so you will need to scroll through the pdfs, much as you would when using a microfilm. The following series of records on microfilm have been digitised and are available to download as pdf files.
• HO 9: Registers of the convicts in the hulks and a letter book relating to the establishment of the hulks, 1847 to 1849. Registers of the convicts in the hulks and a letter book relating to the establishment of the hulks, 1847 to 1849.
• HO 10: Home Office: Settlers and Convicts, New South Wales and Tasmania: Records. Lists of the male and female convicts and former convicts in the colonies.
• HO 11: Home Office: Convict Transportation Registers. Lists of convicts transported in various ships, giving the dates of their convictions.
• HO 40: Home Office: Disturbances Correspondence. Home Office original correspondence, military and other reports, precis of information, impounded pamphlets and other papers relating to riots, disturbances, and political activities and writings.