In 1849, he created a new copper helmet.

Then, following the Captain's example, I allowed myself to be dressed in the heavy copper helmet, and our reservoirs of air were at once in activity.

Now they had on their copper helmets too which have visors and more spikes pointing up from the top.

Can your copper helmet stop this hammer?

Standard or Heavy gear - The historical copper helmet, canvas suit and weighted boots is still used for commercial work in some parts of the world.

The narrow head, the tight curls like a copper helmet, the chiseled bones, the brilliant blue eyes.

Once on board, we each, with the help of the sailors, got rid of the heavy copper helmet.

Strangest of all were the big copper helmets that were obviously supposed to fit on heavy collars around the neck of the suits.

The apparatus comprised a copper helmet with an attached flexible collar and garment.

The next morning when I got into the suit, Limey came up to put on the copper helmet.