by John Marshall, Royal Naval Biography — Dundas… (1823)
“ Captain Dundas subsequently commanded the Africa of 64 guns, and the Vengeur 74. He commissioned the Bulwark of 76 guns, on the 28th March 1822, and is now stationed at Plymouth. Our officer is said to be the inventor of an inflammable ball, “applicable for besieging a town, and peculiar for its small weight, by which means it may be thrown to a great distance; and it takes fire on a very curious plan: it spreads a flame in three distinct openings, which is so strong, that the fire extends a full yard in length from the ball itself ”
