- Philadelphia: Franklin Institute, 1886.
- later quarter cloth over marbled paper-covered boards with original paper wrappers bound-in.
- 95 pages.
Price: $15.00 other currencies
Order Nr. 69369
The fourth edition, revised and enlarged of this method handling library duplicates by the Franklin Institute. Old library stamp of Mercantile Library of Philadelphia on front paper wrappers and some other pages. Library binding is worn with covers detached but pamphlet itself is in very good condition.