318 SUMMARY OF CURRENT RESEARCHES RELATING TO 



MICEOSCOPT. 



A. Instruments. Accessories, etc.* 

 (1) Stands. 



Watson's Philatelic Microscope.f — This Microscope (fig. 38) has 

 been specially designed by W. Harold S. Cheaviu, F.R.M.S., for the pur- 

 poses of investigations connected with postage stamps. The instrument 



Fig- 38. — Philatelic Microscope mounted in socket on side of case. 



was exhibited and a communication on its various uses, along with 

 results, was read before a meeting J of the Society on Nov. 20th, 1912. 

 Various reasons were put forward to show why the special design was 



* This subdivision contains (1) Stands; (2) Eye-pieces and Objectives; (3) 

 Illuminating and other Apparatus ; (4) Photomicrography ; (5) Microscopical 

 Optics and Manipulation ; (6) Miscellaneous. 



t Watson's Special Circular, 1912, 4 pp. (2 figs.). 



X See this Journal, 1912, p. 671. 



