Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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continuous trimmer

A trimming machine which does not have to be stopped and started for each cut, as is the usual case with the typical guillotine cutter. It has a revolving cutting bed equipped with four faces, each of which has its own clamp. When one clamp is filled with books, it closes and the bed makes a quarter revolution carrying the books under the fore-edge knife. While the fore edges are being trimmed, the operator fills the next clamp, the bed makes another quarter turn, and the heads and tails of the books in clamp one are trimmed at the same time the fore edges of the books in clamp two are being trimmed. Another quarter turn brings the books in clamp one over a conveyor where they are released. (339 )

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