BAUSCH & LOMB 



New School Projection Lantern C 



This lantern has been designed with special reference to 

 school work, the aim being to produce an apparatus of per- 

 fect mechanical construction and the latest improvements (feat- 

 ures that have heretofore been embodied in the higher priced 

 lanterns only) at a moderate price. 



This device is simple, efficient, portable and convertible, 

 and can be used either single, or double with a dissolve!. 

 Made for use with arc light or acetylene gas. It can be equipped 

 with microscope and thus practically covers the whole range of 

 school projection work. 

 Price complete as shown $50. With acetylene burner $45. 



We shall be glad to send descriptive circular. 

 ■ " PRISM " is a Little Magazine we publish monthly. Not a 

 mere advertisement, but a beautifully made and printed little pub- 

 lication about that world of wonder and beauty seen by the lens. 

 Send us your name and we will enter your subscription FREE. 



Bausch & Lomb Optical Co 



Carl Zeiss, Jena 

 Offices: 

 New York 

 Boston 

 Chicago 



George N. Saegmuller 

 San Francisco 

 Washington 

 London 

 Frankfort 



ROCHESTER. N. Y. 



Microscopes 



For School 



and 



College Use 



Can be imported free of 

 duty at a saving of 

 from 35 to 40% from the 

 American prices. We 

 import microscopes for 

 the largest institutions 

 in the country. 



The New 

 Reflecting Lantern 



for showing on the screen opaque objects, 

 book illustrations, engravings and lantern 

 slides, is the most perfect instrument of its 

 kind. It is in use at Harvard, Cornell, 

 U. of P., Leland Stanford, Girard College 

 and 500 other institutions. 



Lantern Slides and Microscopic Slides 



illustrating Botany, Geology and other sciences. 

 Lists on application. , 



WILLIAMS, BROWN & EARLE, 

 Dept. N , 918 Chestnut SC, Philadelphia, Pa. 



WATSON & SOWS' [RAW MICROSCOPE 



This model is a 

 favorite one with 

 British students 

 and it is especially 

 advantageous be- 

 cause additions 

 may be made to it 

 as may be found 

 necessary or con- 

 venient. 



It has Watson's 

 diagonal rackwork 

 coarse adjustment 

 and perfected lever 

 fine adjustment. 

 The stage is covered 

 with rubber and it 

 carries an Abbe il- 

 luminator. A late 

 president o f t h e 

 Royal Microscop- 

 ical Society said of 

 it : "A Microscope 

 that can for the 

 first time with truth 

 be called 'good 

 enough for Histo- 

 logical purposes.' " 



Price, stand only £ 4 



With § and £ Objectives, 1 ocular and case £6150 

 With " '* 2 oculars, Abbe 



Illuminator with Iris diaphragm, and case £8 5 



Illustrated 178-page catalogue of microscopes and accessoriei 

 mailed free on request; more than 20 models to select from at 37/6 up. 

 Microscopes may be imported free by Educational Institutions. 



WATSON & SONS, Microscope Manufacturers, 



WHOLESALE AND RETAIL 



313 HIGH H0LB0RN, LONDON, ENGLAND 



Established 1837. Awarded 42 Gold and other medals — micro 

 scopic Objects may be conveniently sent to the U. S. by parcel post. 



American Agents: The Scientific Shop (A. B. Porter) Rooms 1230 

 1245 Mouod Building, 324 Dearborn Street, Chicago, through whom 

 orders should be sent. 



BEFORE DECIDING 



WHERE TO ATTEND SCHOOL 



c'.SS.'S r of Valparaiso University, v S5E2r 



One of the Largest Universities and Training 

 Schools in the United States 



26 Departments 165 Instructors 



Excellent Equipments 



Expenses less than at any other school. Catalogue mailed 

 free. Address 



H. B. BROWN. President. 



or 0. P. KINSEY, Vice Pres. 

 Our thirty-fifth year will open September 3, 1907. 



LASELL 

 SEMINARY 



For Young: Women 



AUBURNDALE, MASS. 



The purpose of Lasell is to develop its pupils into a high 

 type of womanhood. 



A sound body, well-trained mind, and a character with 

 high ideals, are the logical result of the home-school life at 

 Lasell. Many parents have written strong commendatory 

 letters on the unusual quality of the schoolwork. 



Beautiful, healthful location ten miles from Boston. Special 

 advantages in Music, Art and Home Economics. 



Lasell is well worth investigating. 



For catalogue and information, address 



C. C. BRAGPON, Principal. 



