4 adjectives to describe ironclads

This standpoint was soon recognized to be untenable, and there was a fresh current of feeling, whose adherents supported the view that the costly ironclads could be made superfluous by building in their place a large number of torpedo-boats.

Our readers are aware that the Resistance is an obsolete ironclad which has finished her career as a battle ship, and that nothing could have converted her into a modern armorclad.

To the Senate and House of Representatives: In conformity to the law of July 16, 1862, I most cordially recommend that Lieutenant William B. Cushing, United States Navy, receive a vote of thanks from Congress for his important, gallant, and perilous achievement in destroying the rebel ironclad steamer Albemarle on the night of the 27th of October, 1864, at Plymouth, N.C.

The new shock had come when, as the three waited for telegrams, they stood before a vast ironclad still on the ways but offering splendid protection from Farragut's wooden terrors if only it could be completed, yet on which work had ceased for lack of funds though a greater part of the needed amount, already put up, lay idle solely because it could not be dragged up to a total that would justify its outlay.

4 adjectives to describe  ironclads