Clocks aren't just for telling time! Take this one for example: artful with its understated analog dial, this piece is perfect lending an upscale feel to your living room look or kitchen ensemble. Measuring 16'' circular, its frame features a glass design accented by a shiny chrome center and openwork hands to mark the hour. This product required one AA battery to operate, which is not included. Suitable for indoor use only.
"Love it...Love it....Just a basic alarm clock needed one to check that my FM transmitter is on the correct frequency one that had a digital tuner fits the bill just fine and a battery back up clock for time announcements ....What can I say, it's a quality alarm, that never fails, and is not expensive Not once has this alarm failed to wake me up, Digits are bright and easy to see If I were to say something negative, The time is a little too fast (in a month you'll notice your like a minute or two ahead of the actual time, easy fix though) And the radio connection needs to better"
The Howard Miller Arendal II 625-551 Wall Clock is a long version of the ever popular Arendal Quartz Wall Clock. This tall, elongated 49" high wall clock features carved accents and a turned urn finial which complement the unique style. The aged dial offers black Roman numerals and decorative black hands. The long, wooden stick pendulum features an antique-brass spun bob which swings back and forth and is battery operated like all quartz clocks. The wooden stick swinging pendulum features an antique-brass spun bob. Quartz, triple-chime Harmonic movement plays choice of full Westminster or Ave Maria chimes with strike on the hour with 1/4, 1/2, 3/4 chimes accordingly or switch to hourly only. Bim Bam chime on the hour only. One year warranty and Free Shipping.
Most digital clocks use electronic mechanisms and LCD, LED, or VFD displays; many other display technologies are used as well (cathode ray tubes, nixie tubes, etc.). After a reset, battery change or power failure, these clocks without a backup battery or capacitor either start counting from 12:00, or stay at 12:00, often with blinking digits indicating that the time needs to be set. Some newer clocks will reset themselves based on radio or Internet time servers that are tuned to national atomic clocks. Since the advent of digital clocks in the 1960s, the use of analog clocks has declined significantly.
Use of a Clock is optional. All key date-time classes also have a now() factory method that uses the system clock in the default time zone. The primary purpose of this abstraction is to allow alternate clocks to be plugged in as and when required. Applications use an object to obtain the current time rather than a static method. This can simplify testing.
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.
late 14c., clokke, originally "clock with bells," probably from Middle Dutch clocke (Dutch klok) "a clock," from Old North French cloque (Old French cloke, Modern French cloche), from Medieval Latin (7c.) clocca "bell," probably from Celtic (cf. Old Irish clocc, Welsh cloch, Manx clagg "a bell") and spread by Irish missionaries (unless the Celtic words are from Latin); ultimately of imitative origin.
Need a little extra incentive to pry yourself out of bed? You'll have plenty of it with this no-nonsense wheeled alarm clock. After the first time you press snooze, this unit automatically starts moving away from you, creating enough distance to literally force you out of bed in order to shut it off for good. Plus, it also comes in pastel blue, white, red, and more.
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." 
Many alarm clocks have radio receivers that can be set to start playing at specified times, and are known as clock radios. Some alarm clocks can set multiple alarms, a useful feature for couples who have different waking up schedules. A progressive alarm clock, still new in the market, can have different alarms for different times (see Next-Generation Alarms) and even play music of your choice. Most modern televisions, mobile phones and digital watches have alarm clock functions to turn on or make sounds at a specific time.
Any expansion or contraction of the rod caused by changes of temperature will affect the timekeeping of a pendulum; e.g., a pendulum clock with a steel rod will lose one second a day for a rise in temperature of approximately 4 °F (2.2 °C). For accurate timekeeping, the length of the pendulum must be kept as nearly constant as possible. This may be done in several ways, some of which use the differing coefficients of expansion (the amount of expansion per degree change in temperature) of different metals to obtain a cancelling-out effect. In one popular compensation method, the bob consists of a glass or metal jar containing a suitable amount of mercury. The gridiron pendulum employs rods of different metal, usually brass and steel, while in the zinc-iron tube the pendulum rod is made of concentric tubes of zinc and iron. An improved method, however, is to make the pendulum rod from a special alloy called Invar. This material has such a small coefficient of expansion that small changes of temperature have a negligible effect and can easily be compensated for if required.
Wall clocks are available in a wide array of colors to fit any decor style. Classic black and white, silver or antique metal, and natural, brown, or dark wood choices have timeless appeal. Fun colors like red or turquoise are also available. Most clocks feature a high-contrast face with a white background and black numbers or roman numerals to make seeing the time easier.

In mechanical clocks, the power source is typically either a weight suspended from a cord or chain wrapped around a pulley, sprocket or drum; or a spiral spring called a mainspring. Mechanical clocks must be wound periodically, usually by turning a knob or key or by pulling on the free end of the chain, to store energy in the weight or spring to keep the clock running.

In the modern day and age, clocks are everywhere, from your phone to your computer or even on your wrist as a fashion item. A modern clock can be used for more than just telling time, a wall clock makes for a great design piece for your home. There are contrasting types of clocks ranging from analog to oversized, and they come in an assortment of shapes and material as well. Clocks are interesting wall decorations because they are constantly looked at to figure out the time, which makes finding a wall clock that fits your style that much more important.
Small in size but striking in style, this eye-catching wall clock brings a dash of contemporary flair to any arrangement in your home. Showcasing a sunburst silhouette measuring 20" in diameter, this round silver-finished design is crafted with an iron and mirrored frame comprised of black spokes with orb-like accents. A petite glass clock face with sword-style hands sits in the center, allowing you to keep an eye on the hour in any room.

Emerson alarm clock radio features relaxing sounds that help you unwind and fall asleep faster. Perfect for bedrooms, baby nurseries, spas, salons, apartments, offices and anywhere where unwanted disturbing or intrusive noise is a problem. The noise sound machine can help block out distractions and promote relaxation prior to sleep to provide you with a more peaceful, restful night sleep. Sounds include ocean side, rain, rain forest, summer night, tide and noise. With features such as a...
Offer up eye-popping appeal on your walls with this absolutely striking wall clock, the perfect finishing touch to your factory-inspired ensemble. Fashioned 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 45" diameter ensures it will make a big impact wherever you decide to hang it. Hang it up over trellis-print wallpaper in the living room to let the patterns show through this clock's openwork design, or...

The primary purpose of a clock is to display the time. Clocks may also have the facility to make a loud alert signal at a specified time, typically to waken a sleeper at a preset time; they are referred to as alarm clocks. The alarm may start at a low volume and become louder, or have the facility to be switched off for a few minutes then resume. Alarm clocks with visible indicators are sometimes used to indicate to children too young to read the time that the time for sleep has finished; they are sometimes called training clocks.


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.
This Mission style wall clock is finished in a Mission Oak dark finish. A parchment dial features dark brown numerals and hands. Decorative, wooden moldings frame the dial. Circular brushed brass swinging pendulum is antiqued and framed with wooden, reeded grilles. Quartz, dual chime movement plays Westminster or Ave Maria chimes, and features volume control and automatic nighttime shut-off option. Shadow collection - matching floor clock available. Size: H. 32-1/2" W.16-3/4" D.6"

The Electrohome Projection Alarm Clock is the second-best selling alarm clock on Amazon, with more than 9,700 reviews. Many buyers praised the projection feature, and particularly liked the fact that the brightness of the blue LCD display can be adjusted; for some owners, the clock's light is just a little too intense. The ability to set one alarm time for Monday through Friday, and a separate time for the weekend was another popular feature.
The ancient Greek philosopher Plato (428–348 BC) was said to possess a large water clock with an unspecified alarm signal similar to the sound of a water organ; he used it at night, possibly for signaling the beginning of his lectures at dawn (Athenaeus 4.174c).[2] The Hellenistic engineer and inventor Ctesibius (fl. 285–222 BC) fitted his clepsydras with dial and pointer for indicating the time, and added elaborate "alarm systems, which could be made to drop pebbles on a gong, or blow trumpets (by forcing bell-jars down into water and taking the compressed air through a beating reed) at pre-set times" (Vitruv 11.11).[3]
With it's quality construction and stylish mid-century modern design, the 31.5" Rumi Mid Century Wall Clock is an attractive accent for the home. Crafted entirely of iron, this large wall clock features a dark brown distressed finish and large distressed gold hands. Minimalism is reflected in the clock's open pass-through design. This clock is a must-have for anyone in search of mid-century modern inspired decor.
Sure, it looks harmless, but Poweriever Bluetooth 32L will blast your tunes until there is no tomorrow. When you want to connect to your alarm clock to play your favorite music, you’ve met your match in terms of an alarm clock. You get a reactive light bar to turn on when you touch it, as well as a rechargeable battery that ensures you won’t be left without your alarm, even when there’s a power failure in the middle of the night. Your boss doesn’t care—you still have to get in on time. Make every minute count with this premier electric alarm clock.
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 perfect piece for nightstands and home office desks, this radio alarm clock tunes to your favorite stations as it keeps an eye on the hour. Its bright red LED numbers are easy to read from afar, while the repeating nine-minute snooze is sure to become your new best friend on lazy Sunday mornings. This digital clock includes memory for up to 20 radio stations and includes an audio input for smartphones and MP3 players. Though this radio plugs into your wall, it also runs on two AAA batteries...
“I am the heaviest sleeper and was setting four or five alarms on my phone to wake me up. After being late a few times, I decided to purchase this alarm clock to help me wake up on time. I couldn’t be happier with my purchase. … The bed shaker is super important. I put it under my pillow, and it shook me awake; the loud beep helped too. If you can sleep through earthquakes and shouting family members, this is the alarm clock for you.”
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