20 



78. Specimens of Patent Encaustic Tiles. — By Davis and 

 Co. Blackett-street, Newcastle. — The improvemeivt exhibited by 

 these beautiful tiles consists in their being ground perfectly flat 

 before the dssign and glaze are applied. They can be made of 

 any size, and are applicable to a great variety of useful purposes. 



79. Model of a Railroad for facilitating the draught of heavy 

 weights up inclined planes in common carts or waggons, and 

 drawn by one horse. — By Sir Charles Monteith, Bart. 



80. The Coronation Medal. — By Pistrucci. 



81. Medal to commemorate her Majesty'' s visit to the City of 

 London. — By W. Wyon. 



82. Specimen of the New Coinage. — By W. Wyon. 



83. Stockings knit by Patent Machinery. — By Whitworth 

 and Co., Manchester. 



84. Plate Glass Prism and Polygon, richly cut'. — By Robert 

 Walter Swinburn, Esq. 



85. Specimens of Ra per'' s Patent Waterproof Cloth. — Depo- 

 sited by Mr. William Maugham. 



86. Patent Wire Rope for Standing Rigging. — By Mr. 

 Andrew Smith, London. 



87. Specimens of a Web of Copper Wire. — That numbered 

 90, contains 8,100 appertures to the square inch ; and number 

 100, 10,000 ditto, ditto.— From Wm. Mountain and Sons. 



88. The Brandling Knife. — By John Brown and Son, Grey- 

 street, Newcastle. 



89. Flax, Line, and Tow. — Marshall and Co. Leeds. — 

 August 8, 1838. 



Price at Leeds per Ton. 

 Common I Antwerp j^ ...£63 ) Producing Line for 20 Leas and 51bs. 

 Flemish -? V Yarn — Tow for 18 Leas and 30 



Flax. (Courtrai i% ...£67) Yarn. 



Fine f Antwerp j'j ...£140) Producing Line for 120 Leas and 240 

 Flemish-! > Yarn — Tow for 60 Leas and 



Flax. I Courtrai A ...£160J 140 Yarn. 



