Instruments scientifiques, livres anciens = = Scientific instruments, rare books : 1, collection Leonard Linton, Point Lookout, N.Y. et Central Resources Corporation, New York, N.Y. 2, objets appartenant à divers amateurs vente, Paris, Nouveau Drouot, [jeudi] 9 et [vendredi] 10 octobre 1980 1, Leonard Linton collection, Point Lookout, N.Y. and Central Resources Corporation, New York, N.Y., 2, the property of several owners [sale], Paris, Nouveau Drouot, [Thursday] 9 and [Friday] 10 October 1980. Mes Étienne Libert et Alain Castor, commissaires-priseurs. M. Alain Brieux, expert