1016 SEC. 19. EDUCATIONAL APPLIANCES. 



4058. Types of races of man (models made of papier-mache). 



Busts of large size. 



Busts of middle size. 



Busts of small size. 



Frames with busts in bas-relief. 



SvetchnikofPs ethnographical map of Russia. 



Mirkovitch's ethnographical map. 



E. MATHEMATICAL GEOGRAPHY. 

 Model of Foucault's apparatus. 

 Tellurium. 

 4079. Kachovsky's apparatus for explaining the seasons. 



Kachovsky's apparatus for explaining the formation of the 

 ecliptic. 



4080a. Apparatus for explaining the phases of the moon 

 (without a lamp). 



Kachovsky's apparatus illustrating the motion of the upper 

 and lower planets. 



Brouns 9 astronomical atlas. 



Fetchorin's atlas of mathematical geography. 



MATHEMATICAL INSTRUMENTS. 



4019. Board, with set of pegs, for exercises in studying num- 

 bers from 1 to 1.000. Made by the St. Petersburg Workshop for 

 School Apparatus. 



4020. Arithmetical Boxes, for exercises in numbers. Made 

 by the St. Petersburg Workshop for School Apparatus. 



4021. Kachovsky's Class Abacus, for integers and frac- 

 tions. Made by the St. Petersburg Workshop for School Ap- 

 paratus. 



4022. Kachovsky's Abacus, constructed on the system of 

 the St. Petersburg Workshop of School Apparatus. 



4023. Nomansky's Abacus, for integers and fractions. 



