This article studies the material production and consumption of the national community in 19th-century America. More particularly, it concentrates on the intersection between particular technologies of transportation, representation and dissemination in the spatial and imaginary formation of the American nation in the 1860s. Through an analysis of the contradictory mechanism of placement and displacement, identity and difference at the heart of a particular state-sanctioned field of national production the construction of America's first transcontinental railroad in 19th-century California the essay highlights (...) what tends to remain hidden in narrowly defined `cultural' (textual) approaches to nationhood: its involvement in racial, gendered and class-related divisions between private and public space, home and travel, labour and capital, technology and nature. (shrink)