[McAllister & Brother, opticians, 728 Chestnut Street, Philadelphia] [graphic] / A. Bigot, del. Bigot, Alphonse, ca. 1828-1872 or 3 engraver. McAllister & Brother. Opticians' shops -- Pennsylvania -- Philadelphia. Exterior view of storefront at 728 Chestnut Street. Signage advertises mathematical instruments, spectacles, microscopes, spy glasses, thermometers. Image includes the bust of Franklin which adorns the second floor of the shop, and pedestrians in the street. Address on plate altered from an earlier version of the engraving created in late 1854 or early 1855 when McAllister & Brother moved from 48 Chestnut to their new location at 194 Chestnut. The address changed to 728 post-consolidation necessitating the alteration of the plate. Retrospective conversion record: original entry, edited. Originally part of a Poulson scrapbook. [Philadelphia, s.n] Poulson, Charles A. 1789-1866, collector. Provenance: Poulson, Charles A. (Charles Augustus), 1789-1866, collector. [after 1856] Engravings -- 1850-1860. Advertisements -- 1850-1860. 1 print : engraving ; 14 x 7 cm. (5.25 x 2.5 in.) Islandora:60877 Library Company of Philadelphia Print Dept. Ph Pr - 8 x 10 - Business - McAllister & Brother [(2)1525.F.18b] (2)1525.F.18b Chestnut Street (Philadelphia, Pa.) -- 728.