\[Adelphi Street (west side) between Mrytle Avenue and Willoughby Avenue.] Adelphi Street (west side) between Mrytle Avenue and Willoughby Avenue. A portion of #162 Adelphi Street ("Royal Castle" Apartments) showing at far right. The church is the Institutional Church of God in Christ, # 170 Adelphi Street. The entrance to # 176 Adelphi Street is at left.