A Description of a City Shower

This is an odd poem. It starts off all dirty and nasty, with the stinky cat. It talks of "aches throb" which happen sometimes when it rains, mainly to people who do intensive labor, real work. The woman whipping her linen's from the line is middle class i believe. It seems like she is not low class but middle, like a woman who stays home while the husband works but must clean and cook. This woman "linen from the rope", "whirls her mop" many higher class people don't do either of these. But then the second half of the poem talks of women shopping, and using their "oiled umbrellas" calling a coach and worring about getting wet. But what is the association of Troy's horse? Like the people in the horse and buggy are like the horse of troy, except they are hiding from the rain? "Filth of all hues and odors seem to tell what street they sailed from, by thier sight and smell." I guess concidering the fact that this poem might be about the social classes in England, it seems to be saying that you can tell where someone comes from by thier looks. Like the trash can be.