Ward’s Natural Science

5100 West Henrietta Road P.O. Box 92912 Rochester, NY 14692-9012

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tel: +1 585 359 2502 / 800 962 2660 (toll-free North America only)
fax: +1 585 334 6174
e-mail: customer_service@wardsci.com
http://www.wardsci.com