Ultrasonic cleaners, sometimes mistakenly called supersonic cleaners, are used at frequencies from 20 to 40 kHz for jewellery, lenses and other optical parts, watches, dental instruments, surgical instruments, diving regulators and industrial parts.

There were a number of assembly plants, especially on St. Croix, which manufactured watches from overseas parts.

* July 19 – Great fire of Rome: A fire begins in the merchant area of Rome and soon burns completely out of control, while emperor Nero allegedly plays his lyre and sings as he watches the blaze from a safe distance.

He later used spiral springs in more conventional watches, made for him by Thuret in Paris from around 1675.

The watches which were made in Paris from C. 1675 and following Huygens plan, are notable for lacking a fusee for equalizing the mainspring torque, showing that Huygens thought that his spiral spring would isochronise the balance, in the same way that he thought that the cycloidally shaped suspension curbs on his clocks would isochronise the pendulum.

On Saturday they and Wallace rode on to the bridge, which was of good plain board, well made and jointed, having placed watches to see that none passed from the army.

Physically, embedded systems range from portable devices such as digital watches and MP3 players, to large stationary installations like traffic lights, factory controllers.

Having been separated from the real Maria, Freder watches as the false Maria is set afire and gradually transforms back into her robot form.

An example of this involved Britain and France importing all of their watches and clocks from Switzerland and Germany prior to World War II.

Positions range from Homeowner associations and block watches to executive, legislative and judicial offices of state and national governments.

Richard II watches Wat Tyler's death and addresses the peasants in the background: taken from the Froissart of Louis of Gruuthuse ( BnF Fr 2643-6 ) | Gruuthuse manuscript of Jean Froissart | Froissart's Chroniques ( c. 1475 ).

In addition, he integrates into the play scenes from Henry Purcell's opera Dido and Aeneas, which Angelo watches sporadically throughout the play.

Another says that the term came from 17th century sailors, who used the new mechanisms to time the length of their shipboard watches ( duty shifts ).

Nevertheless, the craftsmanship of mechanical watches still attracts interest from part of the watch-buying public.

Radio time signal watches are a type of electronic quartz watch which synchronizes ( time transfer ) its time with an external time source such as in atomic clocks, time signals from GPS navigation satellites, the German DCF77 signal in Europe, WWVB in the US, and others.

Other elaborate and more expensive watches, both pocket and wrist models, also incorporate striking mechanisms or repeater functions, so that the wearer could learn the time by the sound emanating from the watch.

This announcement or striking feature is an essential characteristic of true clocks and distinguishes such watches from ordinary timepieces.

This has created several different markets for wristwatches, ranging from very inexpensive but accurate watches ( intended for no other purpose than telling the correct time ) to extremely expensive watches that serve mainly as personal adornment ( featuring jewel bearings to hold gemstones ) or as examples of high achievement in miniaturization and precision mechanical engineering.

The testing of the water resistance is fundamentally different from non-dive watches, because every watch has to be fully tested.

Its museum includes items recovered from the burned-out buildings: watches stopped at the time their owners were burned alive, glasses melted from the intense heat, and various personal items and money.

Prey is caught either while in continuous flight or more commonly from an exposed perch where the bee-eater watches for prey.

A drunk called Da Mayor ( Davis ) is constantly trying to win both the approval and affection of the neighborhood matron, Mother Sister ( Dee ), who watches the neighborhood's activity from her brownstone.

* Lies My Parents Told Me 1st flashback: In 1977 New York, Spike fights Vampire Slayer Nikki Wood while her young son Robin watches from a hiding place.

As he watches them go, he remembers everything that has happened to him, from their dreadful shuttle accident to his wife's suicide when she sees him in his robot form.

The shuttle carrying the Dregocian delegation malfunctions and crashes, while the delegation from Earth watches in horror.

As he watches the creatures try to leap out of the net, he tells them, ‘ No matter how high you jump, you will only land in the net again .’ He is correct.

The head officer tells Malla to keep Lumpy busy while they search his room, so Lumpy ( and the viewing audience ) watches a cartoon on a viewscreen of one of his father's many adventures.

As the crew watches the reunion of the alien creatures, Q reluctantly tells Picard that they have succeeded in their test, but hints that they will meet again.

The group, minus Nick, watches the game on TV while Sarah tells Karen about her brief affair with Alex and how it affected their friendship negatively.

Beatrice tells him to go away ( not only because she dislikes De Flores but also because De Flores disrupts her meeting with Alsemero ), he backs off but still watches her.

She takes part in the battle on the Golden Gate Bridge and when Bastion destroys the bridge, she watches with concern as Hope manifests the Phoenix Force energy signature, though Wolverine tells her there is nothing she can do now.

After pondering for a moment, as he watches his partner fade, Maury apologizes to Harry and tells him that the wish should be used for something a whole lot more.

An Anatolian Shepherd Dog named Butch ( voiced by Alec Baldwin ) watches from a window, then goes to his doghouse, presses a blue button, hidden behind a wooden plank, which grants him access to a large techno-network, and tells an agent of Buddy's kidnap.

During the credits, Jack watches hidden baby-cam footage of the Fockers giving attention to Little Jack over Jack's previous objections: Roz gives Little Jack chocolate, Bernie advises him to use his crying to disagree with everything Jack says, and Greg drunkenly tells Little Jack that Pam is not really pregnant and only said it so that maybe Jack would let them sleep together.

Tony tells Jack to not do it and Jack backs off as Mason escorts him back into CTU as Tony watches Nina being arrested.

He tells them " I am with you always " as the scene shifts to a modern city to show that Jesus still watches over His followers.

As Jubei watches them go, he tells his servant to send a spy to watch the castle in Kishu and that he, Jubei, would be gone for five days.

In the final segment of the game, Pac-Man watches a news segment in which the ghosts are stealing gum from children all over the city, when the Ghost Witch of Netor takes over the broadcast and tells Pac-Man that her Gum Monster is nearly complete.

After the President tells Book II he has access to all of the U. S .' s resources to keep Schofield alive, Book II watches the tape and learn that M-12, the twelve richest men in the world and the ones behind the bounty, plan to start a new Cold War.

In addition to exhibiting clocks and watches it tells the history of clockmaking in London.

Set in Haiti under the rule of François " Papa Doc " Duvalier and his secret police, the Tonton Macoute, The Comedians tells the story of a tired hotel owner, Brown, and his increasing fatalism as he watches Haiti descend into barbarism.

In Doctor Strange's dialogue with the Ancient One, Doctor Strange tells him that the Masters of Evil have threatened the world and asks that the Ancient One watches over the superhero alliance and aid them in whatever way he can.

She watches him die and tells Andrew, who tries blackmailing her for his trust fund.

Dot, with music by Randy Rogel, tells the story of the Animaniacs character Dot as she watches buses go by with her name.

He thanks Roland for being his father and tells Jake to make sure that Roland watches for Dandelo.

Randor watches in amazement as Adam transforms into He-Man before his eyes, and tells his son he is very proud of him.