Statements (28)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Timekeeping device
|
gptkbp:alsoKnownAs |
gptkb:Sandglass
gptkb:Hourglass gptkb:Sand_clock |
gptkbp:component |
Narrow neck
Sand or fine granular material Two glass bulbs |
gptkbp:depictedIn |
gptkb:art
gptkb:literature |
gptkbp:durationMeasured |
Fixed time interval
|
https://www.w3.org/2000/01/rdf-schema#label |
Sand timer
|
gptkbp:material |
gptkb:glass
wood Metal Sand |
gptkbp:operates |
Sand flows from upper bulb to lower bulb
|
gptkbp:originatedIn |
Ancient times
|
gptkbp:popularFor |
Medieval Europe
|
gptkbp:replacedBy |
gptkb:Mechanical_clocks
Electronic timers |
gptkbp:symbolizes |
Mortality
Passage of time |
gptkbp:usedFor |
Measuring time intervals
|
gptkbp:usedIn |
Education
Games Cooking |
gptkbp:bfsParent |
gptkb:Sandglass
|
gptkbp:bfsLayer |
6
|