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Document Type

Research

Abstract

A new modification of the Seashore tonoscope has been developed, similar to the phonograph form already described, using the phonograph motor as a source of power but having a new scale which covers a whole octave, in steps of tenths of a tone. The instrument may be read in terms of twentieths of a tone. These units were chosen because they are close to the sensory limits for interval discrimination and because such units are comparable from one octave to another.

Publication Date

1928

Journal Title

Proceedings of the Iowa Academy of Science

Volume

35

Issue

1

First Page

300

Last Page

301

Copyright

© Copyright 1928 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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