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Slide Rule Pickett Model N4-ES Speed Rule Demonstrator Training Aid 4' Giant
Listing is for a Slide Rule Pickett Model N4-ES Speed Rule Demonstrator Training Aid 4' Giant.
Measures 48" x 8" (10" including the plastic). Working plywood and metal example of Pickett All American N4 - ES Vector Type Log slide rule. More than likely it was used as a teaching tool. Almost 8 feet long when extended. Construction is plywood and metal with plastic.
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