For Teaching, Lecturing and 

 General Entertainment 



No instrument so well meets the requirements of a high grade 

 ■tereopticon as the 



||austfi fomli 



§a!opticoji 



The Balopticon is a scientific, perfected projection instrument 

 established as tne most popular stereopticon in many schools and 

 colleges, on the lecture platform and in the home. 



It projects clear, brilliant pictures from ordinary lantern slides. 

 It is a practical, high grade instrument — optically and mechanically. 

 Simple in operation and very durable in construction. 



It can be easily arranged, also, for the projection of photographs, 

 post cards in colors, drawings, etc. 



Model C Balopticon $25.00 Opaque Attachment $30.00. 



Several other models can be supplied. 

 Our descriptive Circular 8D will be sent upon request. 



Bausch & Ipmb Optical (o. 



HEW YORK "WASHINGTON CHICAGO SAN FRANCISCO 



london ROCHESTER.. NY. ™ankfort 



CANDIES OF RARE QUALITY 



My FAVORITES 



NUTTE GHOeO L ATES ONLV 



OhhrMai 



of tk« 



Highest Grades 

 Scientifically 

 Blended are Used 



On the 

 aracter of 

 andy Depends 

 its Fitness 

 for Gifi Making 



Sold by our Sales Agents Everywhere 

 in Three Sizes$L0O-5(H-25« 



Refracting and Reflecting 



Astronomical Telescopes 



Standard and Portable 



Visual and Photographic 



OBJECTIVES 



Computed by our associate 



DR. F. R. riOULTON 



{Chicago University) 



Illustrdion shoios 5-in. with pneumatic clock. 



OBSERVATORIES 



Specula, Planes, Eyepieces, etc 

 Photographs and Circulars on request 



LOHHANN BROS. 



B^EENVILLE, OHIO :s ss U. S, Ac, 



