416 List of Scottish Patents. 



Jan. 4. To Thomas Bonner of Monkwearmouth Shore, in the county of 

 Durham, merchant, for an " improvement in Safety Lamps.'* 



10. To William Parkinson of Barton-upon-Humber, in the county 

 of Lincoln, gentleman, and Samuel Crossley of Cottage Lane, 

 City Road, in the county of Middlesex, gas apparatus manufac- 

 turer, for " an improved method of constructing and working an 

 Engine for producing power and motion." 



17. To William Nairn of Davie Street, Edinburgh, in the county of 

 Mid-Lothian, wright, for " a new or improved method or methods 

 of propelling Vessels through or on the water by the aid of Steam 

 or other Mechanical Force.'* 



22. To George Dickinson of Buckland MiU, near Dover, in the coun- 



ty of Kent, paper-maker, for ••' an improvement or improvements 

 in making paper by machinery.'* 

 29. To Ralph Rewcastle of Newcastle-upon-Tyne, mill-wright, for 

 " a new and improved method of Ballasting Ships or Vessels.** 

 Feb. 13. To Robert Stein of Regent Street, Oxford Street, in the county 

 of Middlesex, for " an improvement in applying Heat to the pur- 

 pose of Distillation." 

 To Thomas Bousor Crompton of Farnworth, in the county of 

 Lancaster, paper-maker, for " certain improvements in that part 

 of the process of paper-making which relates to the cutting." 



23. To George Jackson of St Andrew's Street, in the city of Dublin, 



attorney -at-law, for " certain improvements in Machinery for 

 propelling Boats and other Vessels ; which improvements are also 

 applicable to water-wheels, and other purposes." 



LIST OF PLATES IN THIS VOLUME. 



Plate I. Mr Mark Watt's Solar Compass. 



II. Illustrative of Mr Stevenson's Plan for improving Leith 

 Harbour. 



III. Evolution of the Ova of the Salmon. 



IV. Mr John Dunn's Improved Air-Pump. 



The Plate (belonging to preceding Volume) illustrative of Mr Blackad- 

 der's Account of the Aurora borealis of January 1827, is also given 

 with this Number. 



