OPTICAL INSTRUMENTS. 



159 



Gold -mounted Eye- Glasses. (Fig. 644.) 



Fig. 611. 



Price, $5. each. 



Gold-mounted Reader (Fig. 645) which may be held 

 between the eye and object, the lens being larger than the 

 eye-glass 



Fig. 645. 



Price, $4.50 and $5.00. 



