In Europe, between 1280 and 1320, there is an increase in the number of references to clocks and horologes in church records, and this probably indicates that a new type of clock mechanism had been devised. Existing clock mechanisms that used water power were being adapted to take their driving power from falling weights. This power was controlled by some form of oscillating mechanism, probably derived from existing bell-ringing or alarm devices. This controlled release of power—the escapement—marks the beginning of the true mechanical clock, which differed from the previously mentioned cogwheel clocks. Verge escapement mechanism derived in the surge of true mechanical clocks, which didn't need any kind of fluid power, like water or mercury, to work.

In Europe, between 1280 and 1320, there is an increase in the number of references to clocks and horologes in church records, and this probably indicates that a new type of clock mechanism had been devised. Existing clock mechanisms that used water power were being adapted to take their driving power from falling weights. This power was controlled by some form of oscillating mechanism, probably derived from existing bell-ringing or alarm devices. This controlled release of power—the escapement—marks the beginning of the true mechanical clock, which differed from the previously mentioned cogwheel clocks. Verge escapement mechanism derived in the surge of true mechanical clocks, which didn't need any kind of fluid power, like water or mercury, to work.
Early clock dials did not indicate minutes and seconds. A clock with a dial indicating minutes was illustrated in a 1475 manuscript by Paulus Almanus,[31] and some 15th-century clocks in Germany indicated minutes and seconds.[32] An early record of a seconds hand on a clock dates back to about 1560 on a clock now in the Fremersdorf collection.[33]:417–418[34]
The clock features a solid wood core and wooden mini balls finished in rich brown tones. There are numerous silver rods radiating out from the core with some bearing wooden balls and others not. The inner assembly of balls is randomly spaced while there are twelve balls reserved for the extreme ends of hour markers. The clock is driven by a high quality Quartz movement (requiring only one AA battery; not included) 19.5 in.
The Howard Miller Clé Du Ville 625-579 Large Wall Clock is a 26.25" diameter oversize gallery wall clock features an antique dial within a wrought iron frame with an oil rubbed bronze finish. The aged parchment background includes names of well-known French cities faded in the background. Applied vintage antique key hour markers and spade hands finished in oil rubbed bronze complement the frame. Quartz battery-operated movement requires one AA battery. One year warranty and Free Shipping.

Who doesn't love an alarm clock that verbally lets you know it's time to get up and start your day? Step aside, Siri, because "Reminder Rosie" is where it's at. You can easily record up to 25 different alarm-reminders at 6 seconds each. So why not wake up to a recording of your kids saying, "Good morning, Mom!"? (Or maybe you don't want that.) We love how you can turn off the alarm by quickly pressing a button or just saying out loud, "Reminder Off." 
Stay punctual with an alarm clock! They are great for waking you up in the morning or simply reminding you of special events. These items are a household must-have! Perfect for bedside nightstands, most alarm clocks feature a built-in FM radio to enjoy your favorite radio station, as well as a snooze button for when you need 5 to 10 minutes more sleep. iHome? clock radios have dock for MP3 players to listen to music through the speakers. Choose from a variety of unique, creative designs that are great for virtually any d‚cor.
Some predecessors to the modern clock may be considered as "clocks" that are based on movement in nature: A sundial shows the time by displaying the position of a shadow on a flat surface. There is a range of duration timers, a well-known example being the hourglass. Water clocks, along with the sundials, are possibly the oldest time-measuring instruments. A major advance occurred with the invention of the verge escapement, which made possible the first mechanical clocks around 1300 in Europe, which kept time with oscillating timekeepers like balance wheels.[1][2][3][4]

Bring bold, eye-popping appeal to your walls with this absolutely striking wall clock, the perfect finishing touch to your industrial-inspired ensemble. Crafted from welded steel and featuring a deep black finish, this understated and chic clock lends a touch of simple style to your look, while its 39" diameter ensures it will make a big impact wherever you decide to hang it. Hang it up over muted stripe wallpaper in the living room to let the patterns show through this clock's openwork design...
This Digital Bluetooth AM/FM Dual Alarm Radio Tabletop Clock from Jensen makes getting up in the morning a more appealing proposition. With the option to wake to radio or alarm, you can start your day off right. It even has an aux input so you can connect a smartphone or music player, letting you play whatever tunes you like right from your nightstand.
If you’re looking for a way to add some pizazz to your walls as well as some function, wall clocks are a great design choice. You can find a wall clock in almost every shape, style and color. From modern wall clocks like the sunburst clock to antique wall clocks such as the pendulum clock, there’s a style for every room and every home. Some are even designed to fit into specific rooms: there are dozens of kitchen clocks featuring faces shaped like teapots, cows, bottles of milk and more. There’s even incentive to go big, as large wall clocks can become a statement piece in the same way a large mirror or work of art can.
Taking cues from vintage timepieces, this classic round alarm clock ticks boxes for both fashion and function. Measuring just 7.7'' H x 5'' W x 2.3'' D overall, this petite piece is perfectly proportioned to sit on a nightstand, and it makes a subtle ticking sound to provide white noise as you snooze. A metallic finish on the frame offers a bit of sleek style, while twin bells up above help wake you up and keep you on time.
The Howard Miller Stapleton Oversized 30" Wall Clock is a wonderful accent piece. The elegant design of this wall clock can add a touch of sophistication to any home decor. This oversized wall clock has numeral as well as hour markers. You can mount this wall clock on any wall in your home or office as it has classic design in contemporary style. The clock has brushed nickel finish that blends well with most of the decor. This wall clock has a great design in round shape with round dial and...
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If you’re looking for a calmer start to your day, you might want to try the Wake-Up Light. It gradually gets you up and out of bed with a colored sunrise simulation and a selection of nature-inspired sounds, so that you can start the day feeling refreshed and energized—as if you had woken up naturally. For anyone who finds it particularly hard to get out of bed when it’s cold and dark out, this alarm clock makes those winter mornings that little bit easier. It also comes with a nighttime dimming feature so that you can make sure you’re getting your best night’s rest.
Many devices can be used to mark passage of time without respect to reference time (time of day, minutes, etc.) and can be useful for measuring duration or intervals. Examples of such duration timers are candle clocks, incense clocks and the hourglass. Both the candle clock and the incense clock work on the same principle wherein the consumption of resources is more or less constant allowing reasonably precise and repeatable estimates of time passages. In the hourglass, fine sand pouring through a tiny hole at a constant rate indicates an arbitrary, predetermined, passage of time. The resource is not consumed but re-used.
If the four alarms you scheduled to go off 10 minutes apart wake your neighbors but not you, you might want to try this noisy clock; it has a 113-decibel alarm—about as loud as a jackhammer. And if the volume alone won't do it, the red flashing lights and accompanying bed-shaker unit (which goes beneath your mattress) should deliver the full sensory message that grave danger awaits unless you get out of bed.
Although the mechanisms they use vary, all oscillating clocks, mechanical, digital and atomic, work similarly and can be divided into analogous parts.[64][65][66] They consist of an object that repeats the same motion over and over again, an oscillator, with a precisely constant time interval between each repetition, or 'beat'. Attached to the oscillator is a controller device, which sustains the oscillator's motion by replacing the energy it loses to friction, and converts its oscillations into a series of pulses. The pulses are then counted by some type of counter, and the number of counts is converted into convenient units, usually seconds, minutes, hours, etc. Finally some kind of indicator displays the result in human readable form.
Similar to our #8 selection, this app uses a gradual brightness increase to slowly wake you out of your sleep, before laying down the hammer and buzzing to wake you up. If you’re waking up angry or abruptly (more on this in a moment), then this is the perfect trick to keep ahead. Just ensure your alarm clock also has a USB charging slot to keep your phone nearby. This works well if you position it differently than your gradual light alarm clock, as if you’re getting two sunrises instead of one.

This dual tone wall clock features a handsome Rustic Cherry finish with a contrasting Vintage Umber inset panel. The wood stick moving pendulum features a spun brass-finished bob. Beneath a convex glass crystal, the dial features a two color wood-tone dial with gold Arabic numerals and aged brass-tone spade hands. Finished in distressed Rustic Cherry on select hardwoods and veneers. Quartz, non-chiming battery operated movement.


Bolter, David J. Turing's Man: Western Culture in the Computer Age. The University of North Carolina Press, Chapel Hill, N.C. (1984). ISBN 0-8078-4108-0 pbk. Very good, readable summary of the role of "the clock" in its setting the direction of philosophic movement for the "Western World". Cf. picture on p. 25 showing the verge and foliot. Bolton derived the picture from Macey, p. 20.


"Stripe Clock" is a modern metallic design created by the artist, Belle. Measured at 24 inches on each side, this metal art is made from a single sheet of metal expertly grinded and tinted and made in to a functional clock. It is mainly characterized by the bright stripe in the middle of the sheet of metal. Each stroke and grind pattern on this piece accentuates the beauty of the plain sheet of metal. The glimmer coming from the shallow grinds are like street lights illuminating the city in the...
Don't settle for a simple wall clock to merely ensure you’re on time. Bring both function and French flair to your space with this oversized 29" oval wall clock. Made from manufactured wood, it showcases a typographic motif in the center that reads "Antiquite de Paris 1887" for a dash of antique inspiration. Classic Roman numerals and spade-style hands help you keep an eye on the hour, while a distressed finish completes the design with well-worn charm. Once you pop in a battery (not...
“The alarm is loud with a lower frequency melody which I like since I have high-frequency hearing loss. Guaranteed to wake anyone up when the alarm goes off which is super important to me, especially if I’m using the alarm clock to wake up to catch a flight. … When the alarm goes off, press the large snooze bar on the top to have the alarm go off again in five minutes. Pressing the snooze bar on top at anytime also lights up the numbers and bars on the clock’s face, but the hands are a bit hard to see in the dark since the hands don’t light up. When the alarm on/off switch is turned to the off position, there’s a cute voice that says ‘Good Morning!’ which brings a smile to start the day. We love this clock so much, we plan to buy more to give as gifts. We’re sure the recipients will love it as much as we do.”
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