Ray's arithmetical key: containing solutions to the questions in Ray's third book, and to some of the most difficult questions in the second book: also an appendix, of test examples for the slate or blackboard. By Joseph Ray ...
Description:
272 p. 17 cm.
Date Issued:
[1858?]
Institution:
University of Michigan Library
Collection:
New York,, Cincinnati,: Clark, Austin & Smith;, W. B. Smith & co.
Subject Topics:
Language:
eng
Type:
text