128 



Mar. 21, the decimation is, north . 



. 0 



19 



Apr. 21 



3} 



99 



11 



55 



May 21 



ii 



99 



20 



13 



June 21 



3) 



99 



23 



28 



July 21 



if 



99 



20 



13 



Aug. 21 



9» 



99 



12 



27 



Sept. 21 



if 



99 



0 



40 



Oct. 21 



a 



south . 



. 10 



46 



Nov. 21 



99 



99 



19 



59 



Dec. 21 



99 



99 



23 



28 



When the sun has a north declination, or is north 

 of the equator : — 



DEG. MIN. 



From the degree of latitude, say . . 52 0 

 Subtract the sun's declination, sup- 

 pose about the 22nd June, when 

 it is highest 23 30 



The remainder gives the angle required 28 30 



When the sun has a south declination, or is south 

 of the equator : — 



DEG. MIN. 



To the degree of latitude 52 0 



Add the sun's declination, suppose 

 about the 22nd Dec, when it is 

 least 23 30 



The remainder gives the angle required 75 30 

 The degree of latitude must be that of the place 



where it is intended to erect the houses. {Gard, 

 Chron. 1841, 198.) 



The peach-house recommended by Mr. Knight is 

 heated either by flues or hot water in pipes, but Mr. 

 W. Henderson, gardener to W. F. Campbell, Esq., 



