"So much depends upon a red wheelbarrow": agricultural tool ownership in the eighteenth-century mid-Atlantic / Judith A. McGaw -- Working environments: an ecological approach to industrial health and safety / Arthur F. McEvoy -- Socially camouflaged technologies: the case of the electromechanical vibrator / Rachel Maines -- Local history and national culture: notions on engineering professionalism in America / Bruce Sinclair -- Out of the barns and into the kitchens: transformations in farm women's work in the first half of the twentieth century / Christine Kleinegger -- Advertising the atom / Michael Smith -- Race and technology: African-American women in the Bell System, 1945-1980 / Venus Green -- The rise and fall of the appropriate technology movement in the United States, 1965-1985 / Carroll Pursell -- Hacking away at the counterculture / Andrew Ross