1856                289 Broadway, New York, New York.

Bull & Jonathan (John Bull) were recorded in one advertisement that appeared on May 3, 1856 in The New York Herald (New York, New York).  Picture Canvassers Wanted.—Photographs for 50c., $1 and $2, improved editions, taken daily by John Bull’s process, the most successful in the art [lamorotypes] 25c. and 50c., taken only at Bull & Jonathan’s gallery 289 Broadway. 

Bull & Jonathan are not recorded in other photographic directories.  They are not recorded in the 1855/1856; 1856/1857; or the 1857/1858 New York City Directories.  289 Broadway is the same address as Silas A. Holmes.