A Practical Treatise on Gas-light&#13;Exhibiting a Summary Description of the Apparatus and Machinery Best Calculated for Illuminating Streets, Houses, and Manufactories, with Carburetted Hydrogen, or Coal-Gas, with Remarks on the Utility, Safety, and General Nature of this new Branch of Civil Economy. by Accum, Fredrick
 is a Project Gutenberg book, now on Github.