Lang & Jacobs
Boston, MA

Tool Types

Cooper Tools

Directory of American Toolmakers Information

The found marked tools are both cooper's hoop drivers. The "Jaco" in the mark is inconsistent with that depicted in the catalog.

Identifying Marks


General Information



Nelson, Robert E., Ed. (1999). Directory of American Toolmakers: A listing of identified makers of tools who worked in Canada and the United States before 1900. Early American Industries Association.

Lang & Jacobs. (1884). Catalogue and price list of Lang & Jacobs’ head quarters for coopers’ supplies & cooperage stock, Boston, Mass. Coopers’ tools & truss hoops a specialty. Facsimile of the original. Long Island, NY. The Early Trades and Crafts Society.

Links -- Article in The Gristmill including notes on C.E. Jennings