conversation with an unnamed client (likely Bush) who was surprised at the feature. The roof itself is clad with copper and was originally designed with finials on each end. Facade The architects stated that they wanted to make the Bush Tower "a model for the tall, narrow building in the center of a city block". During the design process, the lot's small frontage presented an issue of whether the building would be seen as an "infill" structure in the center of the block or as a distinct tower. The neo-Gothic design of the facade was a cheap solution to the design dilemma, being intended to emphasize the vertical lines of the facade. The Bush Tower's frontage and function as an office building precluded the need for conventional skyscraper fenestration, or window arrangement. North and south facades The primary elevations face north along 42nd Street and south along 41st Street. Entrances to the Buyer's Club on the lower floors, as well as the upper office floors, were placed on both streets. The base of the 42nd Street side originally contained three double-story, high-pointed-arched Gothic windows and a Gothic-style entrance. The current windows, removed in 1938 and reinstalled in 2015, are replicas of those in the original design. Following the 1938 modifications, the first and second stories at 42nd Street had rectangular window and door openings flanked by vertical limestone piers. A cornice runs above the third floor on 42nd Street; it is supported by corbels with nautical designs, which were manufactured by John Donnelly & Co., Inc. The spandrels above the fourth floor windows contain similar nautical designs. The base at 41st Street is twice as wide and lacks corbels. It is divided into two 50-foot-wide sections; the western section was constructed as part of an annex in 1921, but the eastern section is part of the original tower. The western section resembles the original design, while the eastern section resembles the 1938 modification. The remaining spandrels above each window are simple in design. Several primary and secondary vertical "ribs" are used to articulate both facades of the shaft between the first and 20th floors. The ribs divide the shaft into three vertical bays; the center bay on either side has three windows per story, while the side bays each have two windows. Above the 20th story is a horizontal band of panels, which wrap around to the eastern facade. Above