THE RAPIDLY INCREASING POPULARITY OF 
PERFECTION 
these Improvements, 
SPENCER 
MICROSCOPES 
Is but the natural 
result of 
OPTICAL SUPERIORITY 
the embodiment of many 
improvements which mark 
them as being adapted best of 
all to their purpose. 
Our New No. 36 H. 
Bucket Engtaving Co. 
Process and Wood Engraving, Electro- 
typers and Manufacturers of Stereotyping 
and Engraving Machinery. Jw 5» 5» Jv 8. 
80 % North High Street , COLUMBUS, OHIO . 
DIE STAMPING. PLATE AND LETTER PRESS PRINTING. 
SPAH% & GLENN, 
PRINTERS and PUBLISHERS. 
50 EAST BROAD STREET. COLUMBUS, OHIO. 
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