Copies of papers relating to schemes and calculations addressed to, or connected with, James Brydges first duke of Chandos. Of the papers, which are varied in kind, the principal are: P. 11. About a scheme for the improvement of the river Parret and the benefit of Bridgwater, by a new cut to the sea, 1723/4 Pp. 63, 311. About fountains and reservoirs at Canons in Middlesex, 17 20-2…