.ANTERN SLIDES 

 and PROJECTION 



For Nature-Study and Science Teachers 



Our Booklet, 



Projection 

 FOR Science 

 Teachers & 

 lecturers, 



__^________^__________________^ in addition to 



observations on 

 projection, contains descriptive matter and lists of Fifteen 

 Sets of Educational Slides — more than 800 slides and 

 over 4000 illustrations o 



This booklet will be sent to any one who will send name, 

 position and address plainly written, and mention Nature-Study 

 Review. Address 



CONRAD SLIDE AND PROJECTION COMPANY 



4028 Jackson Boulevard - - - 



[Authors and Manufacturers of the Courad Slides] 



Chicago 



No. 9781. Specimen Mounts 



Riker's, for mounting for display insects, fungi, shells, 

 or thick bulbs or plants. Consists of well made cardboard 

 box with glass cover that may be sealed on. 



These mounts will be found very useful for preserving 

 specimens, collected by Nature Study Classes, as they pre- 

 serve thf specimens from sudden jars and destructive in- 

 s' 1: '/.rcw]']: I-;'; space, permit free examinations and Life 

 Histories mav be assembled in one case. 



CENTRAL SCIENTIFIC COMPANY 



Scientific Apparatus and Laboratory Supplies 



345 West Michigan St., CHICAGO, ILL. 



Kindlv mention Nature-Stii 



w when replying to advertisements 



