WILLIAM SMITH : HIS MAPS AND MEMOIRS 
189 
above quantity that it has risen 12 feet and thence reasonably 
expected to produce in the next Summer fifteen thousand Hogs- 
heads of water — So far, I think I was never in my life more usefully 
employed but the intricate calculations required in practical 
Hydraulics and the many complicated considerations thereof 
together with the superintendance of the works has retarded the 
progress of my intended publications on Yorkshire Geology — only 
the one sheet Geological map of the vicinity of Scarborough is 
complete. The six sheet (Gary's) new map of Yorkshire (as I shall 
now be more at liberty to complete the colouring) may shortly be 
published and notwithstanding my other engagements I have made 
considerable progress with my papers so that I think that the six 
sheet maps may be published for 3 guineas and the Geology of the 
County to accompany it for 2 guineas. I hope shortly to give 
you a better account of this work — and remain — most respectfully, 
Your greatly obliged servant, 
Wm. Smith." 
SCARBOROUGH WATER SUPPLY, 1827. 
It is not often that Smith contributed to any of the magazines, 
but an account of his work in connection with the Scarborough Water 
Supply appears in the Philosojjhical Magazine, New Series, Vol. I., 
No. 6, June, 1827, p. 415. The paper was " Read to the Yorkshire 
Philosophical Society on March 6th, 1827, and communicated by the 
Rev. W. V. Vernon, Pres. Y. P. S." The paper is entitled On 
retaining Water in the Rocks for Summer Use,"* and is by William 
Smith, M.Y.P.S. [Member of the Yorkshire Philosophical Society]. 
The paper begins with the usual Smithian philosophy on general 
lines, as to the desirability of conserving water. He then states : 
In the month of May last a small quantity was found to issue from a 
bore hole made several years since for draining the land. On cutting 
an open channel up to this, the discharge increased and at the depth of 
nine or ten feet amounted to twenty-four hogsheads per hour. This 
* When it was read to the Yorkshire Philosophical Society the 
title was " On the Construction of a Reservoir near Scarborough, on 
Geological Principles," by William Smith, Civil Engineer, Hon. Mem. 
Y.P.S. It is given in a list of ^Memoirs and Communications made to 
the Society, on page 45 of the Report for 1827, published 1828. 
