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A student doing an algebra problem on the chalkboard.

Algebra

A student doing an algebra problem on the chalkboard.

""The working bee, for collecting wax, enters a flower, the stamens of which are loaded with pollen. This dust attaches itself to the brush-like hairs covering the body of the bee, when, by rubbing itself with the brushes with which the tarsi are furnished, the insect collects it into little parcels, which it places on small palettes, hollowed out on the surface of its hund limbs." &mdash Goodrich, 1859

Working Bees

""The working bee, for collecting wax, enters a flower, the stamens of which are loaded with pollen.…

Haymaking, a painting by William Mulready.

Haymaking

Haymaking, a painting by William Mulready.

"Scene in Egyptian kitchen, showing use of a large rope to support a sort of hanging shelf." -Hill, 1921

Egyptian Kitchen

"Scene in Egyptian kitchen, showing use of a large rope to support a sort of hanging shelf." -Hill,…

A man working, digging with a shovel.

Man Digging

A man working, digging with a shovel.

A man ships Remington rifles by boat, handing them off to a man on a bridge.

Shipping Remington Rifles

A man ships Remington rifles by boat, handing them off to a man on a bridge.

"With a working knife a workman partle scrapes partly shaves off the hair and scarf-skin." —The Encyclopedia Britannica, 1910

Working Knife

"With a working knife a workman partle scrapes partly shaves off the hair and scarf-skin." —The Encyclopedia…