22 



of such arches, and the durability they possess over other 

 wooden bridges arises from the simplicity of their construction. 



The model is on a scale of half an inch to the foot. 

 A viaduct of 5 arches on this principle is in progress of con- 

 struction over Ouseburn, and another at Willington Dean, of 

 7 arches, the span of these arches being from 116 to 118 feet, 

 and the height of the bridges from 82 to 108 feet. The plans 

 and sections are to be seen in the model room. 



96. Model of the Grey Column. — By John & Benjamin Green, 

 architects, now erecting at the north end of Grey-street, New- 

 castle, — The total height to the top of the figure will be 133 

 feet, the diameter of the shaft is 9 feet 11 inches. The order 

 is of the Roman Doric, and there is a staircase consisting of 164 

 steps to the top of the abacus of the capital, from which there is 

 a fine panoramic view of the town and the surrounding country. 



97. Model of a Gothic Cross — designed by Benjamin Green. 



98. Model of a Church — designed by J. Green, Architect, 



99. Model of St. Nicholas'' Steeple, in Newcastle. — Made by 

 Charles M'Kenzie, Brazier, Newcastle. — Deposited by T. Sop- 

 with, Esq. 



100. Model of the New Corn Exchange and other Buildings 

 attached thereto, now in progress opposite St. Nicholas'' Church, 

 Newcastle. — John and Benjamin Green, architects. 



101. Isometrical Drawing of a proposed New Street in 

 Newcastle.— By T. Sopwith, F.G.S. 



102. Drawi?ig of one of Mr. Owen's Communities for the 

 Superior or Educated C/o we*.— Deposited by Mr. Owen. 



