[Window washer.]

[Window washers.]

Commercial building, windows

[Window washers.]

[Window display of Hoegger.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Pavelle Laboratories. Display window.]

[Pavelle Laboratories. Display window.]

[Display window, gas appliances.]

Brick building. Detail of stonework over window

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]

[Display window, gas appliances.]