J. M. Ordway on Waiterglass. 347 
ig to have the metal moderately warm, otherwise the coating 
is liable to crack and scale off. For stoves that are sometimes 
In 1840 Leykauf proposed the silicates for fixing ultramarine 
on cloth, thus substituting a very cheap material for the albu- 
to 
of most of its adhesive force. In fact though this plan was 
j ll offered for the dis- 
pur oses by repesie saturations with waterglass. 
. ee by subjecting the outside 
* Liebig and Kopp’s Jabresbericht for 1855, p. 869, note. 
t As it takes 24 ilk - peng sere 1 iogram of dry albumen, it has been 
computed that 330,000 hens are needed to produce the 1 25,000 kilos. of albumen 
in Alsace alone.—Rep. Chimie, App-—%', P. 1V" 
