Friction powder
| a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction. |
See also: Friction
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
| a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction. |
See also: Friction