"Joseph Glass (inventor)"@en . . . . . . . . . . . . "3570"^^ . . "Joseph Glass (1791/2 \u2013 29 December 1867) was the inventor of a successful chimney-sweeping apparatus, and a campaigner against boys being employed in sweeping chimneys."@en . . . . . . . "54233497"^^ . . . . . . . . . . . "Joseph Glass (1791/2 \u2013 29 December 1867) was the inventor of a successful chimney-sweeping apparatus, and a campaigner against boys being employed in sweeping chimneys."@en . . . . . "1033109234"^^ . . . . . . . .