Pair Of Footed Laboratory Gas-Washing Bottles With Sintered-Glass Inserts

Two footed laboratory glass gas-washing bottles of different designs, with ground-glass heads and internal inlet tubes terminating in sintered-glass discs. The smaller bottle has a metal retaining band around its neck. The larger bottle features a teardrop-shaped head, long bent connections and an orange rubber tubing remnant on one connection. Signs of use, local cloudiness and discoloration. A distinctive prop pair for laboratory and chemical-industry sets.