Silentpoet Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
Silentpoet Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
Silentpoet Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 (edited) 51 minutes ago, Den of Earth said: I remember some of the "digital" clocks being nothing more than a glorified motorized roladex. The numbers flipped as the wheels turned. That was where my assumption came from. Does that make the high end handed watches of today, with quartz movements digital as well? A pondering mind wants to know. Unless they say "mechanical", yes. I have many digital watches with analog readouts (hands) and some with both hands (analog) and digits. some of these are hands and digits display on an LCD (Liquid Crystal Display) and some have mechanical hands. When I was writing the post, the analog clock I had in mind with the digital (numerical) readout, was that one you mentioned with the numbers on a flap wheel. Common for an alarm clock. If it reads out in numbers, it's a numerical readout, or display. If it reads out with hands, it's referred to as an analog display. Numerical readout does not imply a digital timekeeper. Neither does an analog readout imply an analog watch. Edited October 5, 2018 by janice6 2 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 (edited) 38 minutes ago, tous said: What 6 of janice said. If you are old enough, you recall the impact that the Bulova Accutron watch made in the early 1960s. Battery-powered, used a tuning fork instead of a mainspring to keep time. Don't need to wind it every day. Accurate. It was a signal departure from the traditional wrist watch. The first so-called digital watches were nothing more than a battery-powered comparator and a segmented display you could wear on your wrist. Big in cool factor, not so much in gee whiz factor. I do lust after the Accutron watch. A friend of mine had one for many years with a transparent face/dial. That was so cool! Edited October 5, 2018 by janice6 1 Link to comment Share on other sites More sharing options...
C_Hallbert Posted October 5, 2018 Share Posted October 5, 2018 Feminist Designed Sexual Equality Device.....Sent from my iPhone using Tapatalk 1 Link to comment Share on other sites More sharing options...
Silentpoet Posted October 5, 2018 Share Posted October 5, 2018 4 minutes ago, C_Hallbert said: Feminist Designed Sexual Equality Device..... Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 I suppose as long as we are tearing watches apart, the term "Chronometer" is an exclusive term to be applied to a precision time keeper. Chronograph is a time keeper/ time piece. Chronometers usually include other "timing functions" also in fractions of seconds. They typically are watches (not all are equal in precision) with sometimes three small dials in the face of the watch. The designation of "Chronometer" is to meet some criteria ensuring accuracy long or even short intervals of time. You can "start and "stop" the timers for one event and for a number of laps. Old time ships had mechanical Chronometers (precision clocks) to help them determine their position at sea. 1 Link to comment Share on other sites More sharing options...
tous Posted October 5, 2018 Share Posted October 5, 2018 Indeed. Having an accurate chronometer at sea had a huge impact on ocean navigation. It was always fairly easy to determine latitude (north or south of the equator,) but longitude (east or west of the Prime Meridian) was difficult during the age of relying on celestial navigation. How they accomplished that is a bit too wordy for a post. but trust me. It was a big deal. janice, don't they have an institute in Switzerland that cerifies chronometers? 2 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 1 1 1 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 2 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 2 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 1 Link to comment Share on other sites More sharing options...
Dric902 Posted October 5, 2018 Share Posted October 5, 2018 Rolex Daytona 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 59 minutes ago, tous said: Indeed. Having an accurate chronometer at sea had a huge impact on ocean navigation. It was always fairly easy to determine latitude (north or south of the equator,) but longitude (east or west of the Prime Meridian) was difficult during the age of relying on celestial navigation. How they accomplished that is a bit too wordy for a post. but trust me. It was a big deal. janice, don't they have an institute in Switzerland that cerifies chronometers? https://en.wikipedia.org/wiki/COSC This is for Switzerland. http://chronocentric.com/watches/accuracy.shtml "...So, what is a reasonable expectation of accuracy from a wristwatch? Reasonable Accuracy Expectations by Type of Watch Seconds gain/loss per day Best Accuracy Worst Typical Best Vintage mechanical watch in good repair +/-60 +/-15 +/-5 99.9826% Modern mechanical watch non-certified +/-10 +/-5 +/-2 99.9942% Modern mechanical watch chronometer certified +6/-4 +/-3 +/-1 99.9977% Modern quartz watch non-certified (normal) +/-2 +/-1 +/-0.1 99.9998% Modern quartz watch chronometer certified (rare) +/-0.02 +/-0.02 +/-0.0 99.9999% While some people desire wristwatches with extremely high accuracy over long periods of time, it is seldom for any reason besides personal satisfaction. The few professions that depend on precision time synchronization (such as astronomy, global navigation, train scheduling, and broadcasting) base their operations on high precision time sources, not consumer wristwatches. Ultimately, if you are living so close to the edge that having your watch off perfect time by less than a minute bothers you or otherwise throws your life into disarray, you probably need less caffeine and a vacation!...." 2 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 5 minutes ago, Dric902 said: Some things are just to bizarre or stupid for words. Link to comment Share on other sites More sharing options...
tous Posted October 5, 2018 Share Posted October 5, 2018 Okay, who else listened to WWV on their short wave receiver as a lad? 1 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 3 minutes ago, Dric902 said: Rolex Daytona A Magnificent piece of mechanical complexity. A thing of beauty. But for accuracy, it's beat by a Timex. 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 7 minutes ago, Dric902 said: My oldest daughter used to work as a volunteer at the Zoo. Her shtick was to walk out with Tarantula spiders on her hands and let them crawl around her body. She says they are "fuzzy' and very docile if you don't piss them off. 1 Link to comment Share on other sites More sharing options...
Brown Hawk Posted October 5, 2018 Share Posted October 5, 2018 13 minutes ago, Dric902 said: Kind of puts you off the idea of having someone walk on your back to take the kinks out ?. Hawk 1 Link to comment Share on other sites More sharing options...
janice6 Posted October 5, 2018 Share Posted October 5, 2018 (edited) 18 minutes ago, tous said: Okay, who else listened to WWV on their short wave receiver as a lad? I had an electronics room in my fathers apartment house. The second "Tics" from WWV would drive people nuts. I, however, listened to them for hours. Maybe you're on to something here. I was transferring a Superconducting Technology from my company to Ball Aerospace in Boulder CO., when the demonstration sensor wouldn't operate at all. I determined that the electric field from WWV in Ft. Collins was causing enough electromagnetic interference, that it was shutting off the sensor. We built a "Screen Room" for shielding and the sensor worked perfectly. WWV has BIG signals! Edited October 5, 2018 by janice6 2 Link to comment Share on other sites More sharing options...
Silentpoet Posted October 5, 2018 Share Posted October 5, 2018 Link to comment Share on other sites More sharing options...
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