vi C^ O ' ^/ 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 



" To the solid groiinoP 

 Of Nature trusts the mind which builds for «y«."— WORDSWORTH 



No. 1679, Vol. 65] 



THURSDAY, JANUARY 2, 1902. 



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ELECTRIC LANTERN. 



THE NEW BOOK. 



"PRACTICAL NOTES ON TELEPHOTOCRAPHY. " 



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