JU Newly invented Under/hot Water-wheel. 



When the machine is flrft employed on the land, the 

 bars D D are expanded as much as poflible. As the foil is 

 more loofened, they are brought nearer to the centre : the 

 {hares then occupy a lei's fpace, and the foil will confequently 

 be better pulverized. 



V. Description of a newly invented Under/hot Water-wheel, 

 By Mr. J. Besant, of Bromptou * . 



i 



SIR, 



BEG leave to lay before the Society fome obfervations 

 refpe&ing the common underlhot water-wheel, and to point 

 out the fuperioritv of that of my invention. 

 . lft, In common water-wheels more than half the water 

 paflTes from the gate through the wheel, without giving it any 

 am* fiance. 



adly, The floats coming out of the tail-water are refilled 

 with almoir. the whole weight of the atmofphere at the in- 

 ftant thev leave the furface of the water. 



3dly, The fame quantity of water which pafTed between 

 the floats at the head, muft of eourfe pafs between them at 

 the tail, and confequently impede the motion of the wheel. 



In the water-wheel of my invention, 



i ft, No water can pafs but what acls, with all its force, 

 on the extremity of the wheel. 



$dly, The floats coming out of the water in an oblique 

 direction, prevent the weight of the atmofphere from taking 

 any eftecl. 



3dly, Although the new water-wheel is heavier than that 

 on the old confirmation, yet it runs lighter on its axis, the 

 water having a tendency to float it. 



4thlv, By experiments made with the models, proofs have 

 been ftiown that the new wheel has many advantages over 

 the common wheel ; and that, when it works in deep tail- 

 water, it will carry weights in proportion of three to one, 

 fo that it will be particularly lcrviceable for tide-mills. 



I hope on trial, before the Society, my invention will 

 prove fuccefsful : and am, Sir, 



Your obedient fervant, 



No. 26, Brompr-n J. BeSANT. 



To the Secretary of the Society of Arts, &c, 



"* From the Tr anfatl'ions of the Sj ietv for the. Encouragement of Arts > 

 &V. vol. xix. — Ten guineas were voted to Mr. Befaitts widow for this 

 ivuuio.i. 



Repeated 



