•Prepared by: Jorris Maano

BEEDGen-2

One of the early methods of keeping time consisted of burning a grass rope.

Another was an hour glass.

The latest improvement in clocks is the use of electric power to operate them.

Time can be measured in terms of a year, a month, a week, a day, an hour, a minute or a second.

As the earth rotates, the direction of any shadow thrown by the sun correspondingly moves.

A SUNDIAL WITH ROMAN NUMERALS.

The progress of the sun can be recorded using the four faces of this cube. Can you discover the orientation of these faces?

Wall Sundial

WATERCLOCKS

Su Sung'sastronomical water clock

Hour Glasses or Sandglasses

An Egyptian Merkhet. The wooden upright has a notch to use as a sight when using two plumb lines

He was a Scottish inventor and engineer who was first to invent and patent the electric clock.

He installed the railway telegraph lines between Edinburgh and Glasgow.

This mechanism illustrates a basic escapement. The weight rotates the drum which drives the toothed wheel which gives the mechanism its "tick-tock" movement.

Electric clock, Alexander Bain, London, ca. 1845 (DeutschesUhrenmuseum, Inv. 2004-162)