Two year old boy getting his first haircut. Mother's hand is visible on child's chest, reassuring and keeping him still. Child looks unhappy and slightly apprehensive. New York, NY, USA

Methods of surveying (right) and time keeping (left). On the left are various different kinds of sundials and a clock with a single arm. On the right a survey is being made of the height of the tower, using quadrants and, on the far right, a cross staff.

The Rat-Catchers of the Sewers. Rat catchers were vital to keeping down the rat population in the London sewers. The rat catcher is using a candle with a simple wind shield to give him enough light to carry out his work. Engraving from London Labour and the London Poor by Henry Mayhew (London, 1861)

Jacob, keeping Laban's flocks, sees Rachel at the well. Genesis 29. From Gustave Dore's illustrated "Bible" 1866. Wood engraving

Dante Alighieri (1265-1321) Italian poet: Inferno first part of his Divina Commedia (Divine Comedy) illustrated by Gustave Dore 1863. Canto X: Dante, keeping close to his guide Virgil, looks on one of the sinners burning in hell in their open tombs.

Grandfather Clock with second minute and hour hands and moon dial English Cottage Clock England UK United Kingdom GB Great Britain British Isles

Portrait of an African Elephant Loxodonta africana Calf Keeping Close to Its Mother Addo Elephant National Park, Eastern Cape Province, South Africa

Portrait of a Leopard Panthera pardus Walking Through the Bushveld Kgalagadi Transfrontier Park, Northern Cape Province, South Africa