True Bravery, the American Army at Valley Forge in 1777. Caption below illustration: "After mentioning the reason which induced him not to accept the challenge, he applied a large hand-grenade to the candle, and when the fuse had caught fire, threw it on the floor, saying, 'Here gentlemen, this will quickly determine which of us all bare brave danger most.'"

True Bravery

True Bravery, the American Army at Valley Forge in 1777. Caption below illustration: "After mentioning…

"A vertical section through the valve casing of a double-column hammer, used for heavy forge work."—Finley, 1917

Vertical section of a double-hammer column

"A vertical section through the valve casing of a double-column hammer, used for heavy forge work."—Finley,…

An illustration of a forge powered by a hand-bellows which forces air on glowing coals. A forge is a hearth, or a place for heating metals.

Forge

An illustration of a forge powered by a hand-bellows which forces air on glowing coals. A forge is a…

"The Forge of Vulcan" — Gayley, 1893

Forge Vulcan

"The Forge of Vulcan" — Gayley, 1893

"Formerly, all nails were hand made, by forging on an anvil; and vast quantities are still made in this manner, being preferable, for many kinds of carpenter's work, to those made by machinery." —The Popular Cyclopedia, 1888

Nail forge

"Formerly, all nails were hand made, by forging on an anvil; and vast quantities are still made in this…

A wagon comprised to carry the essential equipment for blacksmiths and artisans to perform their work.

Traveling Forge

A wagon comprised to carry the essential equipment for blacksmiths and artisans to perform their work.

Frame used to frame tables, this is a small type design featuring shape.

Small Frame for Table Top

Frame used to frame tables, this is a small type design featuring shape.

Water heating is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have many uses.

Rotary Water Heater

Water heating is a thermodynamic process using an energy source to heat water above its initial temperature.…

"The Pyrenean forge essentially consists of a silicious stone bottom (covered over with a "brasque" of charcoal powder rammed down), with a tuyere inclining downward." — The Encyclopedia Britannica, 1893

Pyrenean Forge

"The Pyrenean forge essentially consists of a silicious stone bottom (covered over with a "brasque"…

Showing the different stages of scissors manufacturing.

Scissors manufacturing

Showing the different stages of scissors manufacturing.

"The Forge of Vulcan" — Gayley, 1893

Vulcan

"The Forge of Vulcan" — Gayley, 1893