PRACTICAL 



Photo-Micrography 



BY THE LATEST METHODS, 



ANDREW PRINGLE, F.R.M.S., 



%v 



President of the Photographic Convention of the United Kingdom, 



1889. Joint- Author of "Processes of Pure 



Photography'' etc., etc. 



NEW YORK: 

 THE SCOVILL & ADAMS COMPANY. 



1890. 



