64 No/ ices respecting New Book.f. 



others ; tending either to impugn or to defend the Trigonome- 

 tnical Survey of England and Wales, carrying on by Colonel 

 Madge and Captain Colby; collected, with Notes and Observa- 

 tions, including an Exposure of the Misrepresentations aiid Con- 

 tradictions of Dr. Thomson," by Dr. Gregory, of the Royal 

 Military Academy. 



Mr. Robertson Buchanan, Civil Engineer, Clasgow, is pre-» 

 paring for publication "A Treatise on the Building, or Hydrau- 

 lic Architecture, of Watcr-Wheels, containing detailed Descrip- 

 tions of their component Parts, and Descriptions of a great va- 

 riety of Water-AVheels, with practical Observations, and, ia some 

 cases, particular Specifications for the Direction of \Vorkmen, 

 and the Calculation of Estimates. Illustrated with Plates." 



This Work is intended more particularly for the LIse of Min-« 

 Wrights, and Students of mechanical Drawing. 



To which will be added, A Treati^^e on Machinery for pro- 

 pelling Vessels, nlore especially as it relates to those termed 

 Steam Boats, Fully illustrated bv Plates. 



The same Gentleman is also preparing for puijlication '*An 

 Essay on the CEconomv of Fuel, more especially as it relates to 

 Heating and Drying by means of Steam." In three Parts. 



1. On the Eifects of Heat, the Means of Measuring it, the 

 comparative Quantity of Heat produced by different Kinds of 

 Fuel, Gas Light, Sec. 



2. On Heating Mills, Dwelling-houses, and public Buildings. 



3. On Drying and Heating by Steam. 



Illustrated with two Plates. With Additions, containing the 

 most recent Discoveries and Improvements. 



The following interesting works are nearly ready for publication : 



" Travels in Europe and Africa, by Col. Keatinge." This 

 work xvill lie illustrated with numerous Engravings of Antiqui- 

 ties, Scenery and Costume, from Drawings taken on the Spot. 



" A Supplement to the Memoirs of the Life, Writings, Dis- 

 courses, and Professional Works of Sir Joshua Reynolds." By 

 James Northcote, Esq. 4to. 



" Private Education, or The Studies of young Ladies consi- 

 dered." By Elizabeth Apjjleton, late Governess in the Family 

 of the Ear! of Leven and Melville. 



The second and concluding volume of Professor Lichtenstein's 

 Travels in South Africa. 



XV. Pro- 



