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Does anyone know of a supplier of molecular models who sells, not kits, but lots of different components?

Say I wanted to make a polymer model and I just needed X number of carbon atoms, 3X hydrogens, X/5 oxygen atoms and X/7 nitrogens?

Marc Taylor
Coordinator, Andrus Planetarium
Hudson River Museum
511 Warburton Avenue
Yonkers, NY 10701
914 963 4550 x223
Fax 963 8558
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