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Circular slide rules

 Subject
Subject Source: Art & Architecture Thesaurus

Found in 1 Collection or Record:

Collection of Wheel Charts, Wheel Calculators and other Circular Ephemera

 Collection
Identifier: SC MS 0378
Overview Small collection of two-dimensional interactivity of complex information packaged in an informational design requiring hand - eye coordination of using a wheel chart. Perhaps the best example is the lumber scale to determine the necessary lumber required to build a specifically determined structure or the necessary cement required to make a cubic yard of concrete.