THE BOOK OF THE LANTERN. 225 



coating of gelatino-bromide of silver emulsion. If an 

 enlarged negative is desired, either an ordinary gelatine 

 (glass) plate of the required size may be employed, or a 

 paper negative can be made in the manner to be presently 

 described. Messrs. Morgan & Kidd, of Richmond, were 



FIG. 57. 



the first to introduce " argentic gelatino-bromide paper," 

 and therefore the circumstance should be noted to their 

 credit. It can now be obtained from most other dealers, 

 and its manufacture is so well understood that it will be 

 found generally reliable. It can, of course, be used for 

 contact printing as well as for enlarging purposes. But 

 perhaps the sanguine amateur may prefer to manufacture 

 it for himself, and there is no reason why he should not 

 succeed in doing so, if he is already master of the secret of 

 making an emulsion which neither fogs nor frills. Here 

 is a necessarily brief outline of the method of going 

 to work : 



Procure some good plain Saxe paper. Having made 

 and filtered your emulsion, allow it to set to a jelly in a 



Q 



