Rapid calculation exercises
Subtitle: team and accuracy tests
By: by Charles R. Hill ... and Eldon C. Geyer ...
Contributors: Geyer, Eldon C., joint author.
Publisher: Ellis publishing company
Published: 1929
Place of publication: Battle Creek, Mich
Language: eng
Number of pages: 127
Subjects: Ready-reckoners.
Notes: Cover title.
Printed on one side of leaf only; text runs parallel with back of cover.
"Measurements card" laid in.