Sheffield Improvement Act 1818
...that the Sheffield Improvement Act 1818 required all owners of steam engines in the Yorkshire town to "consume" the engine's smoke?
...that the <b id="mwFf0"><a href="./Sheffield_Improvement_Act_1818" id="mwFf4" rel="mw:WikiLink" title="Sheffield Improvement Act 1818">Sheffield Improvement Act 1818</a></b> required all owners of <a href="./Steam_engine" id="mwFf8" rel="mw:WikiLink" title="Steam engine">steam engines</a> in the <a href="./Yorkshire" id="mwFgA" rel="mw:WikiLink" title="Yorkshire">Yorkshire</a> town to "consume" the engine's smoke?