12 ELEMENTARY PHOTO-MICROGRAPHY. 



CHAPTER VII. Focussing Screens Trying Effects 



Oil Immersion Lenses Test Objects 

 Measuring the Amplification with any Exten- 

 sion of Camera Table of Apertures and 

 Magnifying Powers of Objectives with Eye- 

 pieces Polariscope Colour Screens. 



CHAPTER VIII. Exposure Discoloured Balsam 

 An Exposure Record Examples of Exposure 



How to Photograph Multiple Images 

 through the Compound Eye of an Insect 

 Record Work and Circulating Album for 

 Microscopical Societies. 



CHAPTER IX. Requisites for Development Ap- 

 paratus Chemicals Prices Suitable Plates 

 Developers for Negatives ; for Lantern 

 Slides ; for Bromide Papers A Universal 

 Developer. 



CHAPTER X. Cleanliness and its Importance 

 Development Fixing Hypo Eliminators 

 Storing Negatives Clearing Solution Pin- 

 holes Intensification Reduction. 



CHAPTER XL Printing on P.O.P. Toning Com- 

 bined Toning and Fixing Bath Bromide 

 Printing Development Platinum Printing 

 Spotting Prints Albums. 



