COMPOSITION OF THE ATMOSPHERE, 47 



Carbonic Acid in the Open Places of London. 



Locality. 



Wind. 



ist deter. 



2nd deter. 



Hvde Park 



S.W. 



S.E., from 



City. 



N.E. 



J) 



•0334 

 •0306 



•0304 

 •0285 

 ■0285 



•0301 



•0334 

 •0299 



•0304 



'0280 



The same 





St. James's Park 



Duke of York's Column '. 



Highbury 



Mean of 5 experiments 



Carbonic Acid in tbe Streets of London. 



Locality. 



Wind. 



Carbonic acid present. 



Cheapside, Post Office end 



S.W. 



J) 



E. 



)) 



)) 



ist exp. 

 •0352 

 •0398 

 •0413 



•0344 

 •0428 



•0337 

 •0398 



•0382 



■0413 

 •0398 



2nd exp. 

 ■0337 



•0344 

 •0405 



Outside the Exchange * 



Newgate Street 



Oxford St., above Regent's Circus 

 Lower Thames Street 



Small Alley, Smithfield 



Small Court, Smithfield 



Small Court, Upper Marsh, Lam- 

 beth 



New Cut, Lower Marsh, Lam- 

 beth 



Top of the Monument 



Mean of 10 experiments ... 



Mean of 25 experiments in 

 London 



•0380 



•0341 







With the aid of Dr. Bernays, of St. Thomas's Hospital, 

 I have also obtained the amount of carbonic acid in close 

 places in London. 



Carbonic Acid in Close Places in London. 



Per centage 

 by Tolume. 

 Chancery Court, closed doors, 7 feet from ground, March 3 ... o'i93 



Same, 3 feet from ground 0*203 



Chancery Court, door wide open, 4 feet from ground, 11.40 a.m., 



March 5 o'ofo? 



Same, 12.40 p.m., 5 feet from ground o'045 



Strand Theatre, gallery, 10 p.m o'loi 



Surrey Theatre, boxes, March 7, 10.3 p.m o"i 1 1 



