James 'Paraffin' Young papersPatents and legal casesFrench patent: Brevets d’lnvention taken out by Monsieur Lahore for the arrangement of retorts appropriate for the distillation of dry materials such as shale, wood and bone

French patent: Brevets d’lnvention taken out by Monsieur Lahore for the arrangement of retorts appropriate for the distillation of dry materials such as shale, wood and bone

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