![Building 51 | Building 51 | late 19th century interior leiter ii building staircase ornamental cast iron straight rail baluster panel – william le baron jenney, architect Building 51 | Building 51 | late 19th century interior leiter ii building staircase ornamental cast iron straight rail baluster panel – william le baron jenney, architect](http://bldg51.com/wp-content/uploads/2014/06/second-leiter-building-postcard.jpg)
Building 51 | Building 51 | late 19th century interior leiter ii building staircase ornamental cast iron straight rail baluster panel – william le baron jenney, architect
![Exterior view of Siegel, Cooper & Company (Second Leiter Building), South State Street, Chicago, Illinois, circa 1905 Stock Photo - Alamy Exterior view of Siegel, Cooper & Company (Second Leiter Building), South State Street, Chicago, Illinois, circa 1905 Stock Photo - Alamy](https://c8.alamy.com/comp/2D5HYJD/exterior-view-of-siegel-cooper-company-second-leiter-building-south-state-street-chicago-illinois-circa-1905-2D5HYJD.jpg)
Exterior view of Siegel, Cooper & Company (Second Leiter Building), South State Street, Chicago, Illinois, circa 1905 Stock Photo - Alamy
![GmbH Günzburger SteigtechnikGünzburger Siegel allgemein - - Leiterhalter pulverbeschichtet RAL --- Leitern-Zubehör 3000 Onlineshop mit CL1-Schloss Steigtechnik | 19840 - mtitecnologia.com.br GmbH Günzburger SteigtechnikGünzburger Siegel allgemein - - Leiterhalter pulverbeschichtet RAL --- Leitern-Zubehör 3000 Onlineshop mit CL1-Schloss Steigtechnik | 19840 - mtitecnologia.com.br](https://www.topleiter.de/out/pictures/generated/product/2/653_500_90/guenzburger_leiterhalter_cl1_schloss_sicherung_stahlblech_19840_2.jpg)