Tangent Scientific
P.O. Box 705,
Lewiston, NY
14092
Phone: 1-800-363-2908
Fax: 1-877-704-1555
or
Tangent Scientific
2-23 Hannover Dr.
St. Catharines, Ontario,
Canada L2W 1A3
Phone: 1-800-363-2908
Fax: 1-877-704-1555
www.tangentscientific.com