A Clock is a device used to keep, measure and indicate time. Clocks are said to be one of the oldest inventions of the human being, meeting a dire need to measure intervals of time shorter than the natural units like the day or the lunar month or the period of the entire year. Devices working on various physical processes have been used over a very long time. Some of the predecessors of the modern clock were often based on the movement of nature and were also termed as clocks. The one which shows time by representing the shadow of the sun on a flat surface is called a sundial. In order to measure the duration time, instruments like hourglass have been used. There are also water clocks which are considered to be one of the oldest time measuring devices. The major advancement came into the manufacturing system of clocks after the invention of verge escapement, which made possible the production of the first mechanical clock in 1300s in Europe. It used to keep time with oscillating timekeepers like balance wheels.
In horology, traditionally the clocks which did not strike hourly with some sound were known to be a timepiece and the one which produce the strike sound was called a clock.

In this sub category you can download free PNG images: Clock Objects. In this category "Clock" we have 159 free PNG images with transparent background.

  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1024x1024
    Size: 178.8KB
    Downloads: 407
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 256x256
    Size: 10.8KB
    Downloads: 422
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1819x2070
    Size: 2.8MB
    Downloads: 345
  • Alarm Clock Png Image PNG Image
    Alarm Clock Png Image
    Format: PNG
    Resolution: 1457x2120
    Size: 1.3MB
    Downloads: 437
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 2285x2356
    Size: 941.3KB
    Downloads: 300
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1830x2554
    Size: 2.0MB
    Downloads: 361
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1119x2628
    Size: 729.9KB
    Downloads: 387
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 861x1300
    Size: 365.5KB
    Downloads: 373
  • Wristwatch Png Image PNG Image
    Wristwatch Png Image
    Format: PNG
    Resolution: 2188x3520
    Size: 3.1MB
    Downloads: 365
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 250x250
    Size: 32.4KB
    Downloads: 398
  • Alarm Clock Png Image PNG Image
    Alarm Clock Png Image
    Format: PNG
    Resolution: 2400x2229
    Size: 341.8KB
    Downloads: 429
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1399x1398
    Size: 976.3KB
    Downloads: 403
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1456x1460
    Size: 454.6KB
    Downloads: 367
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 1563x1540
    Size: 878.5KB
    Downloads: 437
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 845x841
    Size: 233.6KB
    Downloads: 376
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 3503x2413
    Size: 2.9MB
    Downloads: 388
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 889x889
    Size: 229.0KB
    Downloads: 387
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 396x772
    Size: 139.8KB
    Downloads: 376
  • Alarm Clock Png Image PNG Image
    Alarm Clock Png Image
    Format: PNG
    Resolution: 658x870
    Size: 162.0KB
    Downloads: 376
  • Clock Png Image PNG Image
    Clock Png Image
    Format: PNG
    Resolution: 900x906
    Size: 407.3KB
    Downloads: 437

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