Howard Miller 625-323 Alton wall clock. Matte black case with shatter-resistant acrylic crystal. White dial and large, easy-to-read black Arabic numerals. Auto Daylight-Savings movement automatically adjusts for Daylight Savings Time. The hands of the clock follow an LCD display on the back of the clock and make corrections to keep the correct time including Daylight Saving Time corrections.

Traditional led alarm clock models just don’t work for you? No problem. Blast your favorite mp3s or just have a crazy loud sound go off. You have to get up and actually step on this Instecho Carpet Alarm Clock to get it to stop, which is no problem.You’ll jump up, stomp on the mat, and be done with it—set it to play tunes for you afterwards (at a decent audio level) as a mini reward system. This mat gets up to 120 decibels (think as loud as two window unit air conditioners).
Inspired by a vintage bicycle wheel, this awesome Oversized Kennan Metal 26.8" Wall Clock lends a touch of industrial chic style to your walls. This factory-chic timekeeper features rusted Arabic numerals, classic black spade hands on a battery-operated rusted gear movement, and gleaming metal wheel spoke accents. Create a factory-chic focal point in your dining room by mounting this piece on the wall over a reclaimed wood sideboard for guests to admire at your next dinner party or add it to...

Marathon's Atomic alarm clock with temperature and date is packed with features. It has an ambient light sensor, which allows the auto-night light to illuminate the display when necessary. With a soft amber LED, the large digit display is easy to read at night and becomes even brighter if the Snooze/Light button is pressed. At a glance you can easily see the time, date, day and temperature. The controls on the front of the clock allow you to easily set the alarm, switch between Fahrenheit or...


The oldest surviving clock in England is that at Salisbury Cathedral, which dates from 1386. A clock erected at Rouen, France, in 1389 is still extant, and one built for Wells Cathedral in England is preserved in the Science Museum in London. The Salisbury clock strikes the hours, and those of Rouen and Wells also have mechanisms for chiming at the quarter hour. These clocks are large, iron-framed structures driven by falling weights attached to a cord wrapped around a drum and regulated by a mechanism known as a verge (or crown wheel) escapement. Their errors probably were as large as a half hour per day. The first domestic clocks were smaller wall-mounted versions of these large public clocks. They appeared late in the 14th century, and few examples have survived; most of them, extremely austere in design, had no cases or means of protection from dust.
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Another type of analog clock is the sundial, which tracks the sun continuously, registering the time by the shadow position of its gnomon. Because the sun does not adjust to daylight saving time, users must add an hour during that time. Corrections must also be made for the equation of time, and for the difference between the longitudes of the sundial and of the central meridian of the time zone that is being used (i.e. 15 degrees east of the prime meridian for each hour that the time zone is ahead of GMT). Sundials use some or part of the 24 hour analog dial. There also exist clocks which use a digital display despite having an analog mechanism—these are commonly referred to as flip clocks. Alternative systems have been proposed. For example, the "Twelv" clock indicates the current hour using one of twelve colors, and indicates the minute by showing a proportion of a circular disk, similar to a moon phase.[74]

A: There’s always going to be a sleep-related study going on, but you might be surprised to find that it’s not a one-size-fits-all answer. There’s about 1% of the population, known as The Sleepless Elite, who don’t need to clock-in a bunch of hours with their pillows. Some of us just run better off of less sleep, even if we don’t realize it right away. There’s such a thing as oversleeping, too, so how do you really know your specific sleep needs?
This Oversized Rustic Wood 24" Wall Clock is one of the best sellers and for good reason - this wonderfully shabby elegance wall clocks really give that country home decor or rustic decor character that you cannot find anywhere else! The simple beauty of it is amazing it a part for that shabby elegance decor or rustic home decor charm! Gorgeous in kitchens or anywhere you want to complete that French country decor look as well!
Auditory and projection clocks can be used by people who are blind or have limited vision. There are also clocks for the blind that have displays that can be read by using the sense of touch. Some of these are similar to normal analog displays, but are constructed so the hands can be felt without damaging them. Another type is essentially digital, and uses devices that use a code such as Braille to show the digits so that they can be felt with the fingertips.
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The pendulum is a reliable time measurer because, for small arcs, the time required for a complete swing (period) depends only on the length of the pendulum and is almost independent of the extent of the arc. The length of a pendulum with a period of one second is about 39 inches (990 mm), and an increase in length of 0.001 inch (0.025 mm) will make the clock lose about one second per day. Altering the length of a pendulum is therefore a sensitive means of regulation. The alteration is usually carried out by allowing the bob to rest upon a nut that can be screwed up or down the pendulum rod.
A brushed and polished brass finish gives this metal carriage alarm clock its enduring style. The decorative handle, turned brass button feet, and polished brass-tone columns at the corners add to the clock's stately presence. Beneath a glass crystal, the brushed brass-tone dial features circular, diamond-cut numeral ring, black Roman numerals, black hour and minute hands, and brass second and alarm hands.

Clockmakers developed their art in various ways. Building smaller clocks was a technical challenge, as was improving accuracy and reliability. Clocks could be impressive showpieces to demonstrate skilled craftsmanship, or less expensive, mass-produced items for domestic use. The escapement in particular was an important factor affecting the clock's accuracy, so many different mechanisms were tried.
For light sleepers, audio alarms can be rather jarring. Fortunately, the Philips Morning Wake-Up Light uses a warm, gentle glow and natural sound effects rather than incessant beeping to get you out of bed. The alarm clock also features a colored sunrise simulation and 20 brightness settings for optimal customization. The light slowly increases in brightness between 20 and 40 minutes prior to your desired alarm time. The clock helps you drift to sleep, too. Instead of you simply turning out the lights and settling into bed, the light-responsive dimming feature gently guides you to sleep with audio accompaniment. This type of alarm is definitely not for everyone, but it is suitable for those who prefer to wake up gradually. For more details, read our full Philips Wake-Up Light review.
If Amazon’s alarm clock isn’t your cup of tea, however, then there’s probably another cutting-edge device for you. Light sleepers may require a little background noise throughout the evening, while deep sleepers need louder alarms to wake them in the morning. There are even alarm clocks that utilize lighting technology instead of traditional alarm functions, thus allowing for a steady, gradual sunrise in your bedroom. People are finicky about their sleeping gadgets, but, fortunately, one of these alarm clocks can probably match your lifestyle and budget. And who knows? You just might finally become a morning person.
This metal wire case wall clock is finished in antique black with antique gold highlights. The pendulum bob, with matching finish, is an open circle, suspended on a metal pendulum. A black bezel surrounds the convex acrylic crystal. The dial features an antique Antique Red background with gold Arabic numerals and Antique gold spade hands. Quartz, non-chiming battery operated movement. One Year Warranty.
Hopefully, you don’t have sensitive eyes. Get ready to have over 100 lumens pull up on you like the flashlight of a police officer on a Saturday night. One thing’s for sure—it’s going to wake you up, and keep you up. This is a nature sounds alarm clock to boot, so you’ll feel like you’re in the middle of the meadow when it goes off. A very bright meadow. NakaLight Wake Up will gradually light up a half hour before you awaken to ease you out of sleep.
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.

Though no longer our first pick of timepiece thanks to the smart phone, this old-fashioned clock still scores points for form. Measuring 6.25'' H x 2.5'' W x 5'' D, this compact clock’s face is encased in a metal case with a brushed nickel finish and convex glass lens, while its faded dial stays in step with vintage styling. This item is battery operated, but does not emit a loud ticking noise, so you can snooze to your heart's content.
But where OK to Wake! really shines (pun intended) is in its unique feature that parents love; the clock will glow green and show a cute face when it's an acceptable time for your little one to get out of bed. That means even very young children can learn when it's okay to go looking for mommy or daddy — no need to be able to actually read the time. As your child grows, you can stop using the glow feature, and simply use the device as a regular, albeit cuter than average, alarm clock.
Traditional mechanical alarm clocks have one or two bells that ring by means of a mainspring that powers a gear to propel a hammer back and forth between the two bells or between the interior sides of a single bell. In some models, the back encasement of the clock itself acts as the bell. In an electric bell-style alarm clock, the bell is rung by an electromagnetic circuit and armature that turns the circuit on and off repeatedly.[1]

This farmhouse wall clock measures 24 in. across This farmhouse wall clock measures 24 in. across the face and features horizontal cedar wood slats a white distressed finish hand painted black Roman numerals in a Poster Condensed font and an inner accent ring with individual hour marks. It includes a high torque quartz movement antique-style spade hands and ...  More + Product Details Close
In China, a striking clock was devised by the Buddhist monk and inventor Yi Xing (683–727).[5] The Chinese engineers Zhang Sixun and Su Song integrated striking clock mechanisms in astronomical clocks in the 10th and 11th centuries, respectively.[6] A striking clock outside of China was the water-powered clock tower near the Umayyad Mosque in Damascus, Syria, which struck once every hour. It was constructed by the Arab engineer al-Kaysarani in 1154. In 1235, an early monumental water-powered alarm clock that "announced the appointed hours of prayer and the time both by day and by night" was completed in the entrance hall of the Mustansiriya Madrasah in Baghdad.[7]
The naysayers might note that your cell phone alarm can already be set to vibrate, so why not just slip your smartphone under your pillowcase? All sanitary arguments aside, the SmartShaker 2 vibrates much more powerfully than a standard smartphone (three times more to be exact). The SmartShaker 2 also connects to your smartphone via Bluetooth and incorporates a functional, easy-to-use app that’s available for both Android and iOS devices. You can even set up to 10 different alarms and choose from an array of options, just in case you want an audio alarm as well as a vibration. After all, sometimes the snooze struggle is all too real.
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More than just a tool for keeping track of the time, this eye-catching wall clock helps turn any empty wall into an artful display. Crafted from injection plastic finished in a sleek metallic tone, it features a circular center with rods all around extending to stage the numbers of an analog dial. Measuring 16'' in diameter, it makes a statement on your kitchen or entryway wall without dominating the decor.
Here is a clock that will look great in any room in the house and it never needs a plug! This Water Clock is powered by ordinary tap water. Never needs batteries or electricity. Just fill this Water clock with water and you are on your way to more eco-friendly home. After about 6 months to a year you may need to dump the water out (your can pour it into a plant) and refill. The clock will remember the time as you do so. It even has an alarm. Great for traveling as well. Why would you ever use...
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.

The Howard Miller 625-542 Brass Works is an oversized, large wall clock featuring a metal outer frame finished in antique brass and accented by four decorative antique brass finished screws applied to the dial. The dial features antique brass-finished gears viewed through an open center. The gear in the middle of the clock turns as a second hand would rotate.. Quartz, battery-operated movement requires 1 AA battery. One year warranty and Free Shipping.

If you have a serious problem sleeping through your alarm, this retro little clock is for you. Because it doesn’t have a snooze button, you’ll be forced to either shut the alarm off completely and risk oversleeping, or you’ll learn to rise with the alarm. Also good: it’s doesn’t have an annoying ticking sound like other vintage clocks, so you won’t be kept awake at night.
These mechanical clocks were intended for two main purposes: for signalling and notification (e.g. the timing of services and public events), and for modeling the solar system. The former purpose is administrative, the latter arises naturally given the scholarly interests in astronomy, science, astrology, and how these subjects integrated with the religious philosophy of the time. The astrolabe was used both by astronomers and astrologers, and it was natural to apply a clockwork drive to the rotating plate to produce a working model of the solar system.
Don't worry, Zeus didn't show up to your home, but you'll certainly feel that way when waking up to this unit's thunderous, 113-decibel buzzing. Fair warning: It's definitely loud, so it's a good pick only if you're a heavy, heavy sleeper. Just in case the noise somehow isn't enough to pry you out of bed, this alarm clock flashes multiple bright red LEDs and comes with a bed shaker that'll really get you going. Trust us, if that sensory overload doesn't get the job done, nothing will.
The origin of the all-mechanical escapement clock is unknown; the first such devices may have been invented and used in monasteries to toll a bell that called the monks to prayers. The first mechanical clocks to which clear references exist were large, weight-driven machines fitted into towers and known today as turret clocks. These early devices struck only the hours and did not have hands or a dial.

This massive iron wall clock is 49" in diameter and is finished in off-white with an antique nickel outer ring that is moderately distressed and dented for an aged appearance. Black Roman numerals are centered on individual antique off-white panels. Quartz, battery-operated movement requires one AA sized battery. Some assembly is required. One year warranty and Free Shipping.

A clock radio is an alarm clock and radio receiver integrated in one device. The clock may turn on the radio at a designated time to wake the user, and may also include a buzzer. Typically, they are placed on the bedside stand. Some models offer dual alarm and "snooze", a large button on the top that stops the alarm and sets it to ring again a few minutes later.[18] Some clock radios also have a "sleep" timer, which turns the music from radio on for a set amount of time (usually around one hour). This is useful for people who like to fall asleep with the radio on.
Alarm clocks, like almost all other consumer goods in the United States, ceased production in the spring of 1942, as the factories which made them were converted over to war work during World War II, but they were one of the first consumer items to resume manufacture for civilian use, in November 1944.[13][14] By that time, a critical shortage of alarm clocks had developed due to older clocks wearing out or breaking down. Workers were late for, or missed completely, their scheduled shifts in jobs critical to the war effort.[14] In a pooling arrangement overseen by the Office of Price Administration, several clock companies were allowed to start producing new clocks, some of which were continuations of pre-war designs, and some of which were new designs, thus becoming among the first "postwar" consumer goods to be made, before the war had even ended.[15][16] The price of these "emergency" clocks was, however, still strictly regulated by the Office of Price Administration.[14]
Some clocks, called 'flip clocks', have digital displays that work mechanically. The digits are painted on sheets of material which are mounted like the pages of a book. Once a minute, a page is turned over to reveal the next digit. These displays are usually easier to read in brightly lit conditions than LCDs or LEDs. Also, they do not go back to 12:00 after a power interruption. Flip clocks generally do not have electronic mechanisms. Usually, they are driven by AC-synchronous motors.
“I have searched for a well-designed clock for kids and was so pleased I finally made this purchase. It was definitely pricier than other options, but this one is actually well-designed, usable, and does all the functions well. My daughter loves how cute it is, and the yellow light and green light has allowed us to get more sleep in the mornings, which is priceless. … We don’t use the nap feature or white noise machine all that much, but we like the night-light and wake-up training features. The size is perfect, and it’s not too bright. Plus it has the time on it, which is perfect for my preschooler who is learning about time.”
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