@book{bhlitem73507, title = {A practical treatise on the manufacture and distribution of coal-gas its introduction and progressive improvement }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/73507}, note = {https://www.biodiversitylibrary.org/bibliography/29977}, publisher = {London, J. Weale, 1841}, author = {Clegg, Samuel,}, year = {}, pages = {294}, keywords = {Gas distribution|Gas manufacture and works|}, }