H. Wurtz on the Mouth Blowpipe. i 
Art. XXI.—On Modes of increasing the Heat of the Mouth Blow- 
tpe, and some new Blowpipe Manipulations ; by Prof. Henry 
uRTZ, of the National Medical College, Washington, D.C. 
[Read, with a illustrations, before the American Association for the 
Advancement of Science, at Baltimore, April, 1858.] 
bent portion becomes also heated to high redness, losing thus in 
4 great degree its tendency to abstract heat from the bead. By 
this little contrivance alone the heat is increased to so important 
a degree, that I venture to think that no one who has once tried 
M, will ever use a wire of any other 
i a the time the above was read, I had no suspicion that the contrivance of 
Wire, [ y as used for vga ae 
usin x | desire, therefore, sta at the same time that I have been in the habit of 
some it for more than ten sg 2 disavow all claim to priority, hoping still that 
hovelty may be found in my modes of making use of the invention —x. w. 
