Old (obsolete) Sodastream gas canisters and bottles (New Marston OX3)

Two gas canisters (one half empty, one I think full) for an ancient Sodastream machine, circa 1980s. The plastic has perished on the machine itself, so that is probably junk, but maybe the canisters are useful to someone who still has a working machine. Also five ~250ml bottles with six screw tops - I guess one bottle got broken.