srecia, The blackboard system. COLLECTIONS
| | CLendy, John]
 
| Bentley The blackboard system and abbreviated book- |! 95 keeping : a system for teaching book-keeping tyeST to large classes by ruled forms on blackboards 4
Cleveland, 0. : Hatch Printing Co., c1885. i 118p. : forms ; 27cm. | Author's name and pseud. (Prof. J.C. \ Steiner) at end. Copyright notice, " ... by John Lendy", on paste-on slip.
i \| L. Title. & MB-Rev.
| or on slated and ruled walls ... } 1