Observations on the probable consequences of even attempting by legislative authority to obtain a supply of coal from Staffordshire to the metropolis : on the iron trade in Staffordshire and Shropshire in the large way, on the iron and copper trades at Birmingham in the small way, on the price of coal to the inhabitants of London and Westminster, on the collieries in the north, on the carrying trade of Sunderland and Shields, and on the navy of Great Britain. In a letter to William Manning ... /