Bausch & Lomb BH Microscope 



' I 'HIS instiument has been 

 ^ designed for school work. 

 It possesses the characteristic 

 mechanical and optical excel- 

 lence of our higher priced in- 

 struments and yet is by reason 

 of its low price within the reach 

 of every school. 



Q It is simple, strong, dust-proof 

 in construction, and provided 

 with our new handle arm 

 which permits its being carried 

 without mjury to the fine ad- 

 justment. The objectives are 

 of the highest quality. 



fl Complete with 16 mm. and 4 mm. objectives, 25 mm. 

 eyepiece $29.50. With double nosepiece, $33.50. 

 fl Catalog on request. 



^ PRISM is a little popular science monthly. Send for 

 Copy A, free. 



Our Name en a Photographic Lens, 

 Microscope, Field Glass, Laboratory Ap- 



paratus. Engineering or any other Scien- 



'SSSS^ tific Instrument is our Guarantee. 



Bausch ^ lomb Optical @. 



lieW YORK WASHrUCTON CHICAGO SAN FRANCISCO 



LONDON ROCHESTER. N.Y. rRANKronT^ 



D 



D 



Publications on 



...BEE CULTURE... 



Check 

 here 



My First Season's Experience with theHoney- 



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



[ 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 best, profits 

 derived, ete. Free. 



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

 I I page illustrated booklet. A practical treatise for 

 the amateur. Ten cents. 



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

 r-i A somewhat scientifie 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, folly illustrated. 

 LJ 51.50 posipaid. 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. 





I 



iti 

 "3 



Refracting and Reflecting 



Astronomical Telescopes 



standard and Portable 



Visual and Photographic 



OBJECTIVES 



Computed by our associate 



DR. F. R. nOULTON 



{Chicago University) 



OBSERVATORIES 



specula, Planes, Eyepieces, etc. 



Illustration shows 6-in,. with pneumatic clock. 



Photographs and Circulars on request 



LOHflANN BROS. 



QREENVILLE, OHIO : : : : U. S. A. 



