musket-flint

I then said I had the toothache, and asked Lawrence to get me a pumice-stone, but as he did not know what I meant I told him that a musket-flint would do as well if it were soaked in vinegar for a day, and, then being applied to the tooth the pain would be eased.

The memoirs of Jacques Casanova de Seingalt 1827

I meant I told him that a musket-flint would do as well if it were soaked in vinegar for a day, and, then being applied to the tooth the pain would be eased.

The Complete Memoirs of Jacques Casanova Giacomo Casanova 1761

I meant I told him that a musket-flint would do as well if it were soaked in vinegar for a day, and, then being applied to the tooth the pain would be eased.

Memoirs of Casanova — Volume 10: under the Leads Giacomo Casanova 1761