Part of four glass tubes or jars containing specimens illustrating the preparation of rubber from isoprene from turpentine, on wooden stand, probably prepared by William Tilden, England, c 1892 Part of synthetic rubber preparations, in three glass jars and one sealed phial circa 1892
Selection of three glass jars with stoppers or lids, and one sealed phial containing sample preparations of artificial rubber from Isoprene made from turpentine, probably prepared by William Tilden, England, c 1892 (see note) Synthetic rubber preparations, in three glass jars and one sealed phial circa 1892