The Brazilians also used the competing Nordenfelt 6 pounders in lesser numbers .
Brazil adopted the 40 caliber Hotchkiss 6 - pounder in the 1890s , to arm its coastal defense ships , protected cruisers and torpedo - gunboats .
The Brazil also used the competing Nordenfelt 6 pounders in lesser numbers .
Brazil adopted the 40 caliber Hotchkiss 6 - pounder in the 1890s , to arm its coastal defense ships , protected cruisers and torpedo - gunboats .