88 On the Electrical Properties of Flame. 
in developing her manufacturing and industrial capacities, and as 
a means of instructing its users in the physiognomy and specia 
features of Massachusetts. 
Here we must end our enumeration of good works performed, 
and it is not without the feeling that New-York will soon vindi- 
cate her claim to civilization, by enrolling herself among those 
States whose portraits have been taken. . 
Art. XVI.—On the Electrical Propertics of Flame; by H. Burr, 
Professor of Natural Philosophy in the University of Giessen* 
A porcelain tube two feet long and six lines wide was encom 
with glowing coals, and air was drawn slowly through it; 
this air could not be heated so as to allow the passage of the elec- 
tricity from the source abovementioned, although the two pla 
tinum wires sunk in the air were less than a line apart, and were 
glowing re 
A metal web was placed over the flame of a spirit-lamp ; the 
ame did not pass through; over the web the platinum strips 
were held a line apart—there was no e of electricity. 
the wooden floor, touched the ends of the wire which formed the 
helix of the instrument with different metals, a deflection of sev 
ie, Lexx, 1 
— F Ibid. [4], ii, p. 542, 
ii, annals der Chemie und Pharmacie, Lexx, 1.—Cited here from the Phil. Mag: [4 
rad Bs 
wa 
Geille tilt Aliieesntsosni. aesieree les 
