Holt’s mixture n.
second-rate gunpowder.
(con. 1798) | Memoirs 50: ‘Holt's mixture’ would have been perfect gunpowder, if he could have granulated it. From the want of granulation a considerable portion must have been blown away unfired.||
(con. 1798) | Cruize of the Daring 119: She [...] had a mode of altering her countenance so as to appear a decrepit old hag; she deceived the military, especially the militia, and used to carry about her person a quantity of gunpowder, called Holt’s Mixture.