On mental calculation
By: by George Parker Bidder ; edited by Charles Manby.
Publisher: Printed by W. Clowes
Published: 1886
Place of publication: London
Language: eng
Number of pages: 33
Subjects: Ready-reckoners.
Other titles: Bidder on mental calculation.
Notes: "By permission of the Council. Excerpt minutes of proceedings of the Institution of Civil Engineers. Vol. XV. Session 1855-56."
On cover: Bidder on mental calculation.