Volume of printed papers on the patent dispute between Francis Montgomery Moore (appellant) and Sir William Thomson, respondent, relating to marine compasses. The case was heard in the House of Lords on appeal from Her Majesty's Court of Appeal in Ireland.

The volume contains Moore's Petition of Appeal; the Appellant's case (22 pages); the Respondent's case (10 pages) and an Appendix (8 pages + 272 pages + 89 pages of patents and patent drawings). The appendix comprises an index; pleadings 1884-5; notices 1889;, orders 1884-9; affidavits 1885-9; correspondence 1882-9; miscellaneous documents 1885; reports of judgments 1889; a mathematical paper dated 1874 and seven patent specifications and drawings 1867-84.