Accession Number: 2006.38.2
Summary/Description: "This text is an instruction manual intended to teach you just how to go about using the Cranmer Abacus [designed for blind users] for addition, subtraction, multiplication, division, the extraction of roots, treatment of fractions, and decimals" --page 2. Includes practice exercises. Printed in 14 point type. APH catalog no. 4-27110. Paperbound in light blue cover with gray cloth tape along binding edge.
Author: Gissoni, Fred L.
Collection: APH Collection
History/Provenance: Book was obtained from APH by the Callahan Museum for hands-on use in a museum math exhibit.
Credit Line: APH Collection, 2006.38
Publisher: American Printing House for the Blind
Publisher Place: Louisville, KY
Publish Date: [1964]
Subjects: Abacus Instructional materials Mathematics
Physical Description: 38 p. ; 13 x 10 in.
