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DVXON 



AMERICAN GRAPHITE 



PENCILS 



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monej 



if dealer 



doesn't 

 keep 



The most carefully and ac- 

 curately graded pencils yon 

 can buy. Each lead is finely 

 tempered, sniooth mark- 

 ing, tough and long wear- 

 ing—not a gritty or brittle 

 spot iu it. A multitude 

 of styles, shapes and sizes. 



JoftCpli IMaiun Cru(?lble Co., 



Jersey City, X. J. 



Cbe University of CDIcago Pre$$ 



^P^^ial printing facilities for academic work, 

 including theses and reports of educational 

 bodies and learned societies. 



Educational and scientific works printed in 

 English. German, French, Latin, Greek, 

 Hebrew, and other languages, 



i m a t e s furnished 



a-v-ersity of Chicago Press 



CHICAGO 



E s t 



Ci^tt 



► Childs 



200 Clark Street, Chicago 



COPPER-PLATE ENGRAVERS AND PRINTERS 



Padding Invit sdions , Announcements 



Pine CoTKspondence Stationery 



Crests, Monograms, Address Dies 



Stamping and ntuminatina 



CORRESPONDENCE SOLICITED 



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1^21 



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BOSTON 



GARTER 



DESIGNED TO BE WORN 

 WITH KNEE DRAWERS 



NON-ELASTIC TUBULAR 

 KNIT LEG BAND 



ELASTIC ADJUSTABLE 



PENDANT 



NO METAL TOUCHES 



THE LEG 



Made with the Celebrated 



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CUSHION RUBBER BUTTON 



CLASP 



Of your Haberdasher or sample 

 pair on receipt of 25c. 



GEO. FROST CO. 



Sole Makers, Boston 



GOOD ALL THE YEAR ROUND 



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LABORATORY APPARATUS 



q Wc make a specialty of furnishing laboratory apparatus and 

 supplies for schools and colleges. The fact that our apparatus 

 is found so generally in such institutions is the best e^j^^^^^c oT 

 the peculiar advantages we offer to purchasers in this heW. M We 

 are glad to send catalogs and lo submit estimates on apparatus 

 and supplies of every character. We carry a complete stock 

 and can make prompt deliveries, q Attention is called to our new 

 Lantern C. which is especially designed for school work. This 

 apparatus embodies the latest improvements of our highcr-pnced 

 lantern, and we are able to offer it at a very mod^ate cost Pr^e 

 complete as shown $50.00: w.th Acetylene burner «45.00. 

 q OurBH Microscope is especially adapted for school work. 

 Among its special features is the handle^arm which makes it easy 

 to carry without injury to the fine adiustmem which is unusually 

 responsive. Pnce complete with 16 mm and 4 mm obiectives, 

 25 mm eyepiece, double noscpiece $33.50. 



1^ 1^ TO nV IS A LITTLE MAGAZINE OF LENb 



PRISM Information, send for copy 



a Our nami on a Photographic Lens. Field Glass, Microscope, 

 la^oraZrT^PPararus. Scientijic or Enginctr^ng Instrument u a 



mark of quality > 



Bausch 



& Lomb Optical Co. 



Carl Zeiss. Jena 



Offices: 

 New York 

 Boston 



Chicago 



George N. SaegmuHer 



San Francisco 

 WasHingtoa 

 LoD doB 

 Frankfort 



ROCHESTER, N. Y. 



l^'&SF^ 



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