25 

 GEOLOGICAL, &c. 



119. Profile of the Coast and Longitudinal Section of the Coal 

 Strata near Whitehaven. — By Williamson Peile, Esq. F.G.S. — 

 Exhibiting (on a natural scale) the succession of mountain lime- 

 stone, coal strata, lower red sandstone, magnesian limestone, 

 and new red sandstone rocks. 



Transverse sections of Whitehaven Colliery on the small 

 natural scale of four inches per mile, and — 



Four sections of Whitehaven Colliery, exhibiting the numer- 

 ous slip dykes, natural scale 50 yards per mile. — Williamson 

 Peile, Esq., of Whitehaven. 



120. Model of the Toivn of Whitehaven, and thCsCoal Mines 

 beneath. — Deposited by W. Peile, Esq. 



121. Model of Dean Forest, in the county of Gloucester. — 

 Made for the Honourable Commissioners of Woods and Forests, 

 by T, Sopwith, F.G.S. This model is constructed so as to show 

 the relative elevation of the principal seams of coal. 



122. Sections of the Strata in Dean Forest. — By T. Sop- 

 with, Esq. 



123. Plans and Sections to illustrate the Strata and Mining 

 operations in Alston Moor. — By T. Sopwith, F.G.S. — The sec- 

 tions exhibit the succession of strata and the whole of the work- 

 ings in the lead mines. 



124. Model, illustrating the method of ventilating Coal Mines. 

 By John Buddie, Esq. 



125. Miners'' Air-measuring Machine.— By Thomas Elliott, 

 Pensher Colliery. — For the purpose of measuring the velocity of 

 air in mines at any instant of time, and also for registering its 

 mean velocity for any given time. No machine previously in- 

 vented for measuring air in mines has been applied to the useful 

 and important purpose of registering its mean rate. The coal 

 trade meeting of this town presented the inventor with ten 

 guineas, as a mark of their approbation of this invention. 



126. Safety Lamp, with Extinguisher. — Thomas Bonner, 

 Monkwearmouth . 



