Glass dropper in box. Box with dental stopper. Used in 1800's.  Inscription: "GILBERT'S TEMPORARY STOPPING" For the Retention of Medicaments Used in the Treatment of Teeth, for Filling Nerve Canals, etc.~ S. Eldred Gilbert, D.D.S. of Philadelphia, PA was a prominent 19th Century Dentist and a Professor of Dentistry at the University of Pennsylvania."