Lloyd's building consists of three main towers and three service towers around a central, rectangular space. Its core is the large Underwriting Room on the ground floor, which houses the Lutine Bell within the Rostrum. Also on the first floor is loss book which for 300 years has had entries of significant losses entered by quill. The Underwriting Room (often simply called "the Room") is overlooked by galleries, forming a high atrium lit naturally through a huge barrel-vaulted glass roof. The first four galleries open onto the atrium space, and are connected by escalators through the middle of the structure. The higher
S1 (Rhine-Main S-Bahn) 1983, 1990 and 1992. In a short section between Mühlberg and Offenbach-Kaiserlei the South Main railway is used. The section from Mühlberg to Offenbach Ost through the Offenbach City Tunnel was opened in 1995. This line was opened in 1896 and has been used since 2003 only by S-Bahn services. The S1 was one of the first six services of the Rhine-Main S-Bahn system. In a prior test operation it ran between Wiesbaden Central Station and Frankfurt Central Station. The service was then called R1 where the letter "R" stands for regional. After the opening of the Frankfurt Citytunnel the