Generally the techniques used in working soft waxes are similar to those used with clay and involve the use of wooden or metal spatulas, direct molding with the fingers and the like.
12.
None of the earliest tinfoil recordings has been played back since the 19th century . ( Hypothetically in the future some sound might be salvaged from few surviving flattened out early tinfoil recordings . ) The earliest soft wax recordings also wore out quite fast, though they have better fidelity than the early rubber discs.
