Clocks are ancient devices because people have always needed to keep track of time. Around the world, sundials, water timers, candle clocks and hourglasses were the earliest timekeepers. However, once ...
Many local residents who had family members work at the former Waynesboro DuPont plant may still have tangible memories of that company in their homes. These could be safety prizes, diamond-studded ...
The size and shape of a clock’s mechanism often determined how the case that held it looked. The 18th-century tall-case, or grandfather, clock was made to hold a long pendulum. In 1816, Eli Terry ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Aaron D. Crane (1804-1860) of ...
The familiar tick-tock of wall clocks originates from the escapement mechanism, which controls gear movement in precise steps. While our brains perceive two distinct sounds, clocks actually produce ...
Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...
THE most accurate timekeepers of to - day are divided into two classes, depending on whether the restoring force of the oscillator is gravity, as in pendulum clocks, or elasticity, as in quartz ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Johannes Van Ceulen made this clock ...
Simply sign up to the Technology myFT Digest -- delivered directly to your inbox. Ralph Kettell was the kind of eccentric only Oxford can produce. Born in Hertfordshire in 1563, he was 15 when he ...
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