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

Transverse section of a double-column hammer

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

"A section through the valve casing of a double-column hammer, fitted with a valve v provided with three pistons."—Finley, 1917

Valve casing of a double-column hammer

"A section through the valve casing of a double-column hammer, fitted with a valve v provided with three…

"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,…

"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…

Gas-work, used to extract gas from coal.

Gas-work

Gas-work, used to extract gas from coal.

Three men at work grinding scissors.

Grinding Hull

Three men at work grinding scissors.

This illustration shows a light inverted bow-string girder, as well as a section.

Light Inverted Bow-String Girder (Elevation and Section)

This illustration shows a light inverted bow-string girder, as well as a section.

"Using the "stick" to mark size for which slate must be cut."—Finley, 1917

Marking slate

"Using the "stick" to mark size for which slate must be cut."—Finley, 1917

The first manufacturing warehouse in New York.

First Warehouse in New York

The first manufacturing warehouse in New York.

Showing the different stages of scissors manufacturing.

Scissors manufacturing

Showing the different stages of scissors manufacturing.

Dressing slates.

Splitting slates

Dressing slates.

The Great Seal of the State of Utah, 1896. The seal shows a bald eagle holding a shield. The shield has a beehive with the motto "Industry."

Seal of Utah

The Great Seal of the State of Utah, 1896. The seal shows a bald eagle holding a shield. The shield…

The magnificent vase is made out of gold, jewels and enamel. The vase cover represents the United Kingdom, symbolized by the figures of Britannia, Scotia, and Hibernia. The edge of the vase are four heads that represent the four quarters of the globe. The body or center of the vase are relief images of the ancestors of the British nation. Right below are figures of England's renowned warriors, poets and men of science. At the very bottom are the figures of Truth, Prudence, Industry and Fortitude.

Magnificent Vase

The magnificent vase is made out of gold, jewels and enamel. The vase cover represents the United Kingdom,…

The Seal of the State of West Virginia. This seal depicts two men representing agriculture and industry standing on the sides of a boulder inscribed with the date West Virginia became a state, June 20, 1863. The state motto is below reading 'Montani Semper Liberi' meaning "Mountaineers Always Free."

Seal of West Virginia

The Seal of the State of West Virginia. This seal depicts two men representing agriculture and industry…