4 lengths of tubing with metal or plastic fittings, European (?), 1871-1930 4 lengths of tubing with metal or plastic fittings 1871-1930
Three pieces of rubber tubing now rigid, one piece connected to small metal terminal, European, 1890-1930 Three pieces of rubber tubing now rigid 1890-1930
Brass tubing, with connection at one end, origin uncertain, European, 1920-1960 Brass tubing 1920-1960