Sept. II, 1879] 



NATURE 



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Office : 29, Bedford Street, Strand. 

 MICROSCOPIC OBJECTS 



Of superlative perfection, illustrating Histology and every branch of Micro 

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PARIS UNIVERSAL EXHIBITION, 1878. 



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 FIRST QUALITV ASTRONOMICAL TELESCOPES with Object 

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Experience, accumulated since the time o£ Benjamin Franltlin, proves 

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