On this day, July 24, in the year 1842, the following advertisement appeared in the "Sunday Mercury" (New York; Vol. IV, No 30): --------------------------------------------------------------- P H O T O G R A P H I C OR D A G U E R R E O T Y P E Likenesses--Mr E. WHITE, of No. 175 Broadway, opposite Howard's Hotel, has large and convenient rooms, where he daily devotes his attention to taking like- nesses by the above simple but beautiful and accurate pro- cess. The whole time required for the completion of a true and certain likeness does not exceed six or seven mi- nutes, and his method of practicing the science is of such a peculiar character that it cannot be obstructed, even by the most cloudy or rainy weather. E.W. flatters himself that he can produce at his rooms some of the most magnificent specimens of Daguerreotype Portraits taken by him that have ever been executed since the discovery of the art. E.W. keeps constantly for sale the most approved Da- guerreotype Apparatus, Plates, Lens, Miniature Cases, Po- lishing Materials, &c. N B--Instructions will be given in the Photographic art at E.W.'s Room, 175 Broadway. jv17 3m ----------------------------------------------------------------- 07-24-95