A WORK ORIGINALLY UNDERTAKEN IN THE YEAR 1794, AND STILL CARRIED ON LIST OF PLATES то VOL. XII., NEW SERIES. PLATE I. Davy's Patent for Improvements in Apparatus for Making Signals by Electric Currents. 4to. PLATE II. Thompson's Patent for additions to Locks for Doors, &c. Huxley, Huxley, jun., and Oliver's Patent for Improvements in Stoves.-Richardson's Patent for Improvements in the Method of Covering Buildings. 8vo. PLATE III. Meyer's Patent for Improvements in the Manufacture of Lamps.-Ree's Patent for Improvements in Machinery for Raising Water for Propelling Boats, &c. 8vo. PLATE IV. Fairbairn's Patent for Improvements in Looms for Weaving Ribbons, &c.-Knill's Patent for Improvements in Cleansing the Bottoms of Docks, Rivers, &c. 8vo. PLATE V. Bunnett's Patent for Improvements in Steam-Engines.Beart's Patent for Improvements in Apparatus for Filtering Liquids. 8vo. PLATE VI. Chance's Patent for Improvements in the Manufacture of Glass.-Suarce and Pontifex's Patent for a Mode of Obtaining Dyes, &c. from Vegetable Substances. 8vo. PLATE VII. Hartley's Patent for Improvements in the Manufacture of Glass.-Howarth's Patent for Improvements in Machinery for Spinning, Roving, Doubling, and Twisting Cotton, &c. 8vo. PLATE VIII. Gamble's Patent for Improvements in Apparatus for the Manufacture of Sulphate of Soda.-Dowling's Patent for Improvements in Preparing Metals for the Prevention of Oxidation. 8vo. PLATE IX. Poole's Patent for Improvements in Tanning.-Lund's Patent for Improvements in Extracting Corks from Wine and |