A resinous pitch obtained from the eastern hemlock, Tsuga canadensis.
Synonyms and Related Terms
Canada pitch; Tsuga canadensis
Sources Checked for Data in Record
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996