a a ec RS 
BL OCO 
Use the Microscope in Your 
Science Lessons 
Visual microscopic demonstration most effectively 
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lates a keen zest for these studies. 
Bausch lomb 
Microscopes 
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Model BH-2 (illustrated), wath one eye piece and two objec- 
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use. Price $31.50. pecial prices made to educational 
institutions. Many other models are described in our catalog 
on School Equipment, sent free upon request. 
Bausch £3 lomb Optical G. 
412 ST. PAUL STREET ROCHESTER, N.Y 
New York Washington San Francisco 
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AMUSEMENT 
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RIGINAL and exclusive Lantem Slides— 
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49 Nassau Street New York City 
Established 1783 “ 
