100 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



B, a plate with screw to fit into socket on lid of Microscope case ; 



C, a square of J in. mahogany with hole 3 by ?> in. in centre ; D, two 

 small guides on each side of hole with stop to hold focusing screen and 

 afterwards the dry plate when making the exposure ; E, a cloth bag of 

 thin light-tight material, or black kid leather bellows with light stiffen- 

 ing ; F, elastic band to grip around ocular. No dark slide is necessary ; 



Fig. 12. 



simply cover the plate when making exposure with an ordinary focusing 

 cloth of dead black material, which will be found quite sufficient even 

 for the finest work. 



White, T. Charters — Photomicrography as an Aid to Dental Research. 



Brit. Dental Joam., xxvi. (1905) pp. 1045-8. 



(6) Miscellaneous. 



Cinematograph and Microscopy.* — At a meeting of the Society of 

 Arts, F. Martin Duncan showed examples of the successful application 

 of the cinematograph to microscopical investigation, illustrating the 



* Journ. Soc. Arts, liv. (1905) pp. 26-8. 



