Using the Cranmer abacus.
Edition: Large type
Publisher: American Printing House for the Blind
Published: 1964
Place of publication: Louisville, Kentucky
Language: eng
Subjects: Abacus.; Nongraded.; Computations.; NIMIS.; Instructional.; Teachers -- Handbooks, manuals, etc. -- Media format.; Large type books -- Media format.
Description: Manual for instructing visually handicapped in use of Cranmer abacus gives instructions on how to add, subtract, multiply, divide, extract roots, compute decimals and fractions, and use abacus as calendar. Practice exercises are included. Large type is 14 point in size. Manual is also available in braille, Cat. No. 6-5010, 3.00. MHH, 4-75
Notes: APH 4-2711

Braille: Media format variant

Teachers guides: Media format variant