id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
33941	Shenstone, W. A. (William Ashwell)	The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame For the use of chemical and physical students			.txt	text/plain	29272	1541	75	Tube--Presenting Glass to the Flame--Methods of working with Jets of several sizes to fit the air-tubes of blow-pipes may be obtained heat large pieces of lead glass tube to redness without blackening the Take a piece of lead glass tube, bring it gradually from the point of a convenient to heat large masses of lead glass nor tubes of large size, =Bending Glass Tubes.=--The blow-pipe flame is not a suitable source of The ends of soda glass tubes may also be rounded in the flame of end of the tube by rotating it in the flame till it softens, then remove To seal the end of a glass tube (Fig. 8), adjust the flame so that it purpose heat the tube with the pointed flame, if it be small, or in the blowing into the open end of the tube, after softening the glass at the	./cache/33941.txt	./txt/33941.txt