trade musket
в Таймсе, в других газетах 18-19 века и в коллекции 18 века не встречается вообще
trade gun встречается и даже в похожем смысле, но сравнительно редко
как жаргонное наверное слово
Abridgment of the minutes of the evidence, taken before a committee of the whole House, to whom it was referred to consider of the slave-trade, 1790.
page 206
"Never saw more guns in the king's and principal trader's houses than appeared for use;
never any trade guns but of a better sort. On the sea coast they were afraid r(?)o fire a trade gun."
A historical & philosophical sketch of the discoveries & settlements of the Europeans in northern & western Africa,...
Leyden, John. Edinburgh, 1799. 425 pp.
[63K]
The debate on a motion for the abolition of the slave-trade, in the House of Commons, on Monday and Tuesday, April 18 and 19, 1791, reported in ...
Great Britain. Parliament. House of Commons.