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∙ 13y ago
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Device used to show time?
There is The Sundial, Water Clock, Sand Timer and The old clock. Please note that these are from old days
What is the oldest known standard of measurement?
the oldest known standard of measurement is the Hourglass.it's also clled sanglass or Sand timer or sand clock.
When was the sand clock made?
1320 it was made
If you have two hourglasses one four minute timer and one seven minute timer how can you measure nine minutes?
Start both timers, when the four minute timer is done, there will be 3 minutes of sand left in the top of the seven minute timer.Restart the four minute timer, while letting the remaining (3 minutes) of sand to drop from the 7 minute timer. (this is your 1st 3 minutes of your nine minute measurement)When the 7 minute timer is done the 4 minute timer will now have 3 minutes of sand in the bottom. Flip the 4 minute timer (when this runs it will be your second 3 minutes of time). At the same time flip the 7 minute timer.When the 3 minutes of sand run on the 4 minute timer, restart the 7 minute timer by this time 3 minutes worth of sand will have gone to the bottom of the timer, resetting it will give you the last 3 minutes of sand for you last 3 minutes of time measuring the 9 nine minutes.
An egg timer is traditionally filled with what?
Sand
What are the other names of a sand-clock?
Another name for sand clock is hour glass
What was a clock made out of before plastic was invented?
in the olden times it was made out of wood and sometimes people had sand timers...
What are the disadvantage of sand clock?
im the one who need help with this WHAT ARE THE DISADVANTGE OF A SAND CLOCK SOMEONE ANSWER THIS QOUSTION
When was the sand timer invented?
It is unknown when the sand timer, also known as the hourglass, was invented. There are records of sand timers being used as early as the 1300s when they were a preferred timepiece for sailing, as other forms of keeping time were not reliable on the swaying ships.
What is the name for small rudimentary timers?
A timer is a piece of equipment, or device, for measuring time. Therefore, an egg-timer is a timer, and a clock, in whatever form, is also a timer.Some rudimentary timers/clocks:* An hourglass (or sand timer) has sand in a sealed glass tube with a narrow restriction in the center. Sand in the uppermost chamber flows down through the narrow part into the lower chamber at a slow and fairly constant rate and in a given period of time. The timer can then be turned upside-down to repeat the timing exercise. An egg-timer, normally set to run for three minutes, is an example of this type of timer. * Candle-timer. A candle can have marks at 'hourly' intervals that it burns down to when lit. Or a metal ring with an arm sticking out can be slid down the candle to a pre-determined poit. When the candle burns down, at some point the ring will no longer be held by the candle. It will fall off, with the metal arm striking a bell.* Water clocks. There are various ways of measuring elapsed time with water clocks. * Sun dials (sun clocks). Of all of these, a thirty second 'sand timer' could be the smallest. However, a small rudimentary timer like this can only measure a small mount of time.Some board games contain sand timers. They are used to ensure that all opponents have an equal and fixed maximum time limit in which to complete a task.See Related links below this box for more information.
How does sand clock works?
the sand clock has tube which has sand in it when the tube is flipped the sand flows from one part of the tube to another. this movement cause one minute. these clocks are used in games..
Who invented sand clocks?
the maker and the first sand clock is unknown
