Alarmclocksonline.com can also be a great place to find a gift for a loved one or a coworker. With our vast assortment of clocks, you can find the perfect gift for whomever it may be. Get your husband that new mp3 dock he's been hoping for, your coworker a nice digital clock to put on his desk, or grandma a new large faced alarm clock so that she can read it without difficulty. The options are endless.

Electric clocks that are powered from the AC supply often use synchronous motors. The supply current alternates with a frequency of 50 hertz in many countries, and 60 hertz in others. The rotor of the motor rotates at a speed that is related to the alternation frequency. Appropriate gearing converts this rotation speed to the correct ones for the hands of the analog clock. The development of electronics in the 20th century led to clocks with no clockwork parts at all. Time in these cases is measured in several ways, such as by the alternation of the AC supply, vibration of a tuning fork, the behaviour of quartz crystals, or the quantum vibrations of atoms. Electronic circuits divide these high-frequency oscillations to slower ones that drive the time display. Even mechanical clocks have since come to be largely powered by batteries, removing the need for winding.
Let's face it: The ring, blare, buzz, or chirp of your alarm clock is probably never going to be your favorite sound. But then again, the angry rumble of your boss, when you show up late for work after oversleeping, is even worse. So make mornings a little easier by choosing an alarm clock that makes your return to reality if not a pleasure, then at least not a pain.
Amazon buyers love it as well: with more than 4,600 reviews, the clock has an average of 4.4 stars. Not only do most buyers comment that it easily awakens them even though they are heavy sleepers, but several hearing-impaired buyers also mentioned that even without the sound, the vibration and flashing lights were enough to wake them up. One customer summed it up well, "If you can sleep through this, then you may not be alive."
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." 
If you’ve never seen an alarm clock that can project the time onto the wall, you may be surprised at how handy this function can be. This Mesqool clock can project the time onto the ceiling, the curtains, or just about any other surface, thanks to the 180-degree swivel. So instead of squinting at the clock through sleepy eyes in the morning, you can just look up at the ceiling. The clock also includes AM/FM Radio, so you can listen to your favorite morning talk shows or follow along with your sports team while you get ready in the morning.
Instead of sleepily fumbling with the alarm in the mornings trying to find the “off” switch, simply flip this alarm over to the other side. That’s it. Amazon reviewers rave about how minimalist and lightweight it is, perfect for throwing in your carry-on for vacations or business trips. Bonus: It comes in a variety of bright poppy hues, as well as more subdued colors like this modern dark wood.
Wallingford's clock had a large astrolabe-type dial, showing the sun, the moon's age, phase, and node, a star map, and possibly the planets. In addition, it had a wheel of fortune and an indicator of the state of the tide at London Bridge. Bells rang every hour, the number of strokes indicating the time.[22] Dondi's clock was a seven-sided construction, 1 metre high, with dials showing the time of day, including minutes, the motions of all the known planets, an automatic calendar of fixed and movable feasts, and an eclipse prediction hand rotating once every 18 years.[23] It is not known how accurate or reliable these clocks would have been. They were probably adjusted manually every day to compensate for errors caused by wear and imprecise manufacture. Water clocks are sometimes still used today, and can be examined in places such as ancient castles and museums. The Salisbury Cathedral clock, built in 1386, is considered to be the world's oldest surviving mechanical clock that strikes the hours.[24]
A water-powered cogwheel clock was created in China in AD 725 by Yi Xing and Liang Lingzan. This is not considered an escapement mechanism clock as it was unidirectional, the Song dynasty polymath and genius Su Song (1020–1101) incorporated it into his monumental innovation of the astronomical clock-tower of Kaifeng in 1088.[19][page needed] His astronomical clock and rotating armillary sphere still relied on the use of either flowing water during the spring, summer, autumn seasons and liquid mercury during the freezing temperature of winter (i.e. hydraulics). A mercury clock, described in the Libros del saber, a Spanish work from 1277 consisting of translations and paraphrases of Arabic works, is sometimes quoted as evidence for Muslim knowledge of a mechanical clock. A mercury-powered cogwheel clock was created by Ibn Khalaf al-Muradi[20][21]
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.
Exuding vintage appeal, this striking oversize wall clock rounds out rustic ensembles or lends a timeworn touch to modern spaces. Encased in wrought iron, this design features a wood face bearing distressed details and roman numerals tied together by spade-style hands. One AA battery (not included) keeps this design keeping time. Measuring 32'' W x 32'' H x 1'' D, it's sure to grab glances no matter where it's placed.
Sony always makes good products, and this little cube packs a powerful alarm in its punch. When you go for the minimalist design, you’re able to incorporate more features for less money, as well as keep the nature of the product intact: in this case, it’s supposed to wake you up, and not be too flashy. You get a backup battery just in case the power fails you during a storm, but you also get ten programmable radio station buttons.

Exuding vintage appeal, this striking oversize wall clock rounds out rustic ensembles or lends a timeworn touch to modern spaces. Encased in wrought iron, this design features a wood face bearing distressed details and roman numerals tied together by spade-style hands. One AA battery (not included) keeps this design keeping time. Measuring 32'' W x 32'' H x 1'' D, it's sure to grab glances no matter where it's placed.

Alarmclocksonline.com can also be a great place to find a gift for a loved one or a coworker. With our vast assortment of clocks, you can find the perfect gift for whomever it may be. Get your husband that new mp3 dock he's been hoping for, your coworker a nice digital clock to put on his desk, or grandma a new large faced alarm clock so that she can read it without difficulty. The options are endless.
Add a dash of visual intrigue and stylish sophistication to your ensemble with this eye-catching wall clock, the perfect piece for your well-curated aesthetic. Hang it up on a deep blue or charcoal-toned wall in the living room to complement its shimmering silver finish and hard-lined metal design, then offset its striking starburst silhouette by arranging a console table below with glossy ceramic vases and simple metal picture frames. Curating a midcentury-modern aesthetic in your space? Lean...
The British had predominated in watch manufacture for much of the 17th and 18th centuries, but maintained a system of production that was geared towards high quality products for the elite.[44] Although there was an attempt to modernise clock manufacture with mass production techniques and the application of duplicating tools and machinery by the British Watch Company in 1843, it was in the United States that this system took off. In 1816, Eli Terry and some other Connecticut clockmakers developed a way of mass-producing clocks by using interchangeable parts.[45] Aaron Lufkin Dennison started a factory in 1851 in Massachusetts that also used interchangeable parts, and by 1861 was running a successful enterprise incorporated as the Waltham Watch Company.[46][47]
In a typical verge-and-foliot escapement, the weighted rope unwinds from the barrel, turning the toothed escape wheel. Controlling the movement of the wheel is the verge, a vertical rod with pallets at each end. When the wheel turns, the top pallet stops it and causes the foliot, with its regulating weights, to oscillate. This oscillation turns the verge and releases the top pallet. The wheel advances until it is caught again by the bottom pallet, and the process repeats itself. The actions of the escapement stabilize the power of the gravitational force and are what produce the ticktock of weight-driven clocks.
More than just a time teller, oversized wall clocks create an eye-catching centerpiece in any ensemble while helping define your space’s aesthetic. Take this one for example: made from iron, it’s the perfect pick for any modern farmhouse-inspired decor. It strikes a circular silhouette and has an open and airy feel. Roman numeral accents line the periphery while two spade hands keep tabs on the time. It measures 30'' W x 30'' H x 1'' D and is operated by AA batteries.
The Howard Miller Brohman 625-618 Large Wall Clock has a brushed, warm brown finish and metallic undertones. At 34" in diameter with a 22" aged dial this clock will fit just about any decor. With large Roman numerals and black hands this clock will be a favorite for years to come. Highly accurate quartz movement requires one AA battery (Not Included).

A clock accent and 9 metal gears make this vintaged wall decor a statement-making addition to any room. Hang it in the den for a rustic-chic focal point or add it to a cluster of canvas prints for a dynamic gallery display. Nothing adorns your living space like a lavish timepiece, and with the Chellis Wall Clock you are sure to receive a lot of compliments. Intricately designed, this clock is an eye-catching piece that will elevate the beauty of your decor manifold. A rustic and cutting-edge...


This special 82nd Anniversary Edition Contemporary wall clock is one our more popular pendulum chiming wall clocks and features a white dial with black Roman numerals and a brushed nickel bezel. A spun nickel pendulum bob is suspended in front of a mirrored back. Finished in Black Satin. One Year Warranty. Quartz, triple chime Harmonic movement plays your choice of Westminster, Ave Maria, or Bim-Bam chimes with volume control and automatic nighttime chime shut-off option.

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]

The Howard Miller Brohman 625-618 Large Wall Clock has a brushed, warm brown finish and metallic undertones. At 34" in diameter with a 22" aged dial this clock will fit just about any decor. With large Roman numerals and black hands this clock will be a favorite for years to come. Highly accurate quartz movement requires one AA battery (Not Included).


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.
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]
“Great alarm clock for the price. Gigantic numbers for my old eyes. Very basic, easy to set, just what I wanted. Alarm is loud even on low [with] an awful sound that would wake the dead. But that sound makes me get right up, so it does exactly what it’s supposed to do. If you want a soft gentle caress to wake you, get something else, but this is a good alarm and easy to use.”
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