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Artifact Details

Title

Digitor Learning Arithmetic Module

Catalog Number

102622384

Type

Still image

Description

Black and white image of a Digitor module, developed to assist students in mastering basic mental arithmetic computations in addition- subtraction- multiplication and division.

Publisher

Centurion Industries, Inc.

Identifying Numbers

#1136

Dimensions

overall: 10 in x 8 in

Credit

Courtesy of Gwen Bell

Lot Number

X7413.2015

Related Records

X558.85