Title of the book, A Companion to American Technology, explains very briefly three points which I am to explain a little more elaborately. First of all, this book is a companion book, therefore we can’t expect many details about the issue, thus this book is a compact, all-inclusive and comprehensive one. Second, this book has a chronological view to American technology, as it is one of the books of a series which are published by Blackwell about American history such as 19 th century America an