PHYSICAL SCIENCE.'' 853 



4036. Apparatus for demonstrating the theory of perspective 

 Made by Krivkovitch. 



4037. Wall Tables for geometrical teaching. Made by 

 Argamakoff. 



4038. Collection of class school apparatus for geometrical 

 drawing. Made by Fenoult and Stroukoff. 



4039 . Manuals and Exercises on all branches of mathematics 

 and geometrical drawing ; treatises on the method of instruction 

 in these subjects, adopted in the military schools of Russia. 

 Published by Fenoult. 



MAPS, DIAGRAMS, MODELS, AND OTHER APPLIANCES FOR 

 TEACHING GEOGRAPHY AND ASTRONOMY. 



4040. Apparatus illustrating the Motion of the Planets in 



general, and demonstrating the periods of the transit of Venus in 

 particular, by Kachoffsky. 



4041. Planetarium, by Nossoff. 



4042. Geographical Pictures on glass for the magic lantern f 

 by Ermolin. 



4043. Atlas of Belief Maps. Published by the Juvenile 

 and Pedagogical Library in Moscow. 



4044. Belief Map of Asia. By Shulgin. 



4045. Model in Belief of an Alpine country. Prepared by 

 pupils. 



4046. Orographical Maps of the World. By Simashko. 



4047. Maps of the five divisions of the World, By llyin. 



4048. Charts (two), showing the distribution of Forests 

 and Mineral Wealth of Bussia. Prepared by the Statistical 

 Committee. 



4049. Phenomena of Nature, in pictures : 

 Givotoffsky's Geyser, Toundra, Icebergs, and Attols. 

 MichailofPs Glaciers and Sand Spouts. 



Teich's Russian Obas (train of carts), and Bargemen at work 

 on the Volga. 



Karasin's Steppes and Desert, two pictures; Sea of Aral, 

 a Caravan in the Steppes, Barkhanes (sand hills in Tur- 

 kistan), and The Steppes in Middle Asia, two views. 



4050. Specimens of Ermolin's Geographical Pictures 



on glass for the magic lantern. 



