Symbiosis and style : the production, sale and purchase of instruments in the luxury markets of eighteenth-century London / Alexi Baker -- Selling by the book : British scientific trade literature after 1800 / Joshua Nall and Liba Taub -- The gentle art of persuasion : advertising instruments during Britain's industrial revolution / Alison D. Morrison-Low -- Some considerations about the prices of physics instruments in the nineteenth century / Paolo Brenni -- Mathematical instruments changing hands at world's fairs, 1851-1904 / Peggy Aldrich Kidwell -- Connections between the instrument-making trades in Great Britain and Ireland and the North American continent / Gloria Clifton -- European pocket sundials for colonial use in American territories / Sara J. Schechner -- Selling mathematical instruments in America before the printed trade catalogue / Richard L. Kremer -- Trade in medical instruments and colonialist policies between Mexico and Europe in the nineteenth century / Laura Chazaro.