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An illustration of a Roman Numeral clock showing 11:50.

Clock 11:50

An illustration of a Roman Numeral clock showing 11:50.

An illustration of a Roman Numeral clock showing 2:30.

Clock 2:30

An illustration of a Roman Numeral clock showing 2:30.

An illustration of a Roman Numeral clock showing 5:10.

Clock 5:10

An illustration of a Roman Numeral clock showing 5:10.

An illustration of a Roman Numeral clock showing 6:40.

Clock 6:40

An illustration of a Roman Numeral clock showing 6:40.

An illustration of a Roman Numeral clock showing 7:30.

Clock 7:30

An illustration of a Roman Numeral clock showing 7:30.

A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of these clocks is to awaken people from their sleep in order to start their days in the mornings, but can also be used for short naps; they are sometimes used for other reminders as well.

Memograph Clock

A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of…

A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical timepiece used to assist in tracking the hours an employee of a company worked. In regards to mechanical time clocks this was accomplished by inserting a heavy paper card, called a time card, into a slot on the time clock. When the time card hit a contact at the rear of the slot, the machine would print day and time information on the card. This allowed a timekeeper to have an official record of the hours an employee worked to calculate and pay an employee.

Workman's Time Recorder

A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical…

The Tower of the Winds, also called horologion (timepiece), is an octagonal Pentelic marble clocktower on the Roman agora in Athens. The structure features a combination of sundials, a water clock and a wind vane. It was supposedly built by Andronicus of Cyrrhus around 50 BC, but according to other sources might have been constructed in the 2nd century BC before the rest of the forum.

Tower of the Winds

The Tower of the Winds, also called horologion (timepiece), is an octagonal Pentelic marble clocktower…

A watch that is carried in a small watch pocket

Pocket Watch

A watch that is carried in a small watch pocket