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Here is a disassembled example of the Copex. The core (1) is threaded into the

barrel (2) from the bottom. The large handle is threaded onto the top of the core

(3). Glue is applied to the threads. The worm shaft (4) is inserted into the

assembly through the bottom of the core (1). Finally a brad is inserted in the top

of the worm shaft and a wood dowel is driven through the upper handle (5). It is

then sanded flush.

A very special Thank You to Roger Copel for the many items and background he

furnished on the Copex and for his patience in answering my stream of questions.