LABORATORY APPARATUS. 



Xhe Ideal 

 Enlarging I^an terns 



HTHESE LANTERNS represent the latest 

 ■*■ and most improved invention in the Photo- 

 graphic Art. They are optically and mechanic- 

 ally perfect. By their use the operation of 

 making Bromide Enlargements is 

 simplified to the greatest degree. 

 They can also be used as high grade 

 Lantern 

 Slide projec- 

 tors by the 

 use of our 

 )L a n t e r n 

 Slide attach- 

 ment. 



The Ideal 

 Enlarging 

 Lanterns are 

 made in three sizes : No. i, fitted with 6^-incb 

 condensing lenses ; No. 2, fitted with 8-inch 

 condensing lenses ; and No. 3, fitted with lo-inch 

 condensing lenses. 



We supply either size with incandescent gas 

 light, incandescent electric light, electric arc 

 light, or acetylene gas light. 



Prices from $25.00 up to I84.00. 

 Send for our 1901 catalogue containing a com- 

 plete list of everything pertaining to photog- 

 raphy, including cameras, apparatus, lantern 

 slide material, magic lanterns, stereopticons, etc, 

 BITRKB & JAIHES, 

 Manufacturers of Photographic Apparatus aad 

 Supplies, CHTCAQO. ILL. 



A CARD INDEX 

 MAKES IT EASY 



to catalogue any miscellaneous col- 

 lection of material and keep it in 

 shape for ready reference ; to 

 keep the bibliography of any sub- 

 ject or group of subjects up to 

 date and in accessible form ; to 

 control the expenditure, stock 

 and business transactions of the 

 laboratory. 



VETTER QUALITY 



appeals especially to college 

 men, as all our Cabinets, Filing 

 Cases, Card Indexes, Desks, 

 and Furniture for offices and 

 libraries are built on honor 

 and are built to last. 

 Write us your wants. 



f^^ 



fo^ 



A^^ 



H 



liraiM 



1 RDC15TIR. 



RDC15TIR. N.Y. 



Laboratory stHm Sterilizers] 



r- -^ FOR UNIVERSITIES AND COLLEGES. I 



Improved Style with Side Door. 



The Arnold Sterilizer, 



illustrated on this page, is adapted 

 for class work. It is inexpensive 

 and a number of them can be pur- 

 chased for a small outlay, thus 

 permitting the use of one sterilizer 

 for every two or three students. 



COMPLETE CATALOGUE OF STERILIZERS 



FOR ALL PURPOSES MAILED 



ON APPLICATION. 



WILMOT CASTLE & CO., 16 Elm St., Rochester, N.Y. 



