Bausch & Lomb BH Microscope 



EXACTLY meets 

 the requirements 

 of the school because it 

 combines the highest 

 mechanical and optical 

 excellence with a low 



pnce. 



^Simple, strong, dust- 

 proof construction,new 

 handle arm which per- 

 mits its being carried 

 without injury to the 

 fine adjustment. 

 ^Complete with 1 6 mm. and 4 mm. ob- 

 jectives, 25 mm. eyepiece, $29.50. With 

 double nosepiece, $33.50. 

 ^Write us for descriptive circular. 



>^JJ™«^s Our Name on a Photographic Lens, Micro- 

 /^ Ajtr^ A scope. Field Glass, Laboratory Apparatus, 

 Engineering or any other Scientific In- 

 strument is our Guarantee. 



Bausch ^ Ipmb Optical (q. 



WeW YORK WXSHINCTOM CHICAGO SAN FRANCISCO 



LONDON liOCHESTCIi.N.Y. "-RANKrORT 



D 



n 



Publications on 



...BEE CULTURE... 



Check 

 here 



My First Season's Experience with theHoney- 



Bee. By ' 'The Spectator" of the Outlook, New York. 



I I A ten-page leaflet detailing the experience of this 



well-known writer. You will read the leaflet through 



before you lay it down. Free. 



Bees and Fruit, a pamphlet showing the impor- 

 tance of the honey-bee to the fruit-grower. Free. 



Bee-keeping for Sedentary Folk. A 24-page 

 leaflet reciting the actual experiences of an amateur 

 bee-keeper, showing what equipment is be«t, profits 

 derived, etc. Free. 



Facts about Bees. By F. Danzenbaker. a 64- 

 I [ page illustrated booklet. A practical treatise for 

 the amateur. Ten cents. 



Habits of the Honey-Bee. By Db. E. F. Phillips. 

 p-i A somewhat scientifle handling of the habits and 

 anatomy of the bee. Ten cents. 



The A B C of Bee Culture. A complete encyclo- 

 pedia on bees of nearly 540 pages, fully illustrated. 

 D 81.50 postpaid. Half leather, 82.00. 



Gleanings In Bee Culture. A 64-page illustrated 



semi-monthly magazine, the leading exponent of 



bee culture in this country. Ten cents per issue, 



□ but to new subscribers we will furnish it six months 



for 25 cents. 



This sheet may be used as an order sheet by proper 

 checking on margin, your signature and remittance if 

 required. 



THE A. I. ROOT COMPANY, MEDINA, 0. 



Refracting and Reflecting 



Astronomical Telescopes 



standard and Portable 



visual and Photographic 



OBJEICTIVBS 



Computed by our associate 



DR. F. R. nOULTON 



( Chicago University) 



OBSBRV ATOR lES 



Specula, Planes, Eyepieces, etc. 



Photographs and Circulars on request 

 LOHflANN BROS. 



Illustration shows 6 -in. with pneumatic clock. 



GREENVILLE, OHIO 



U. S. A. 



