Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb: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
|
| gptkbp:material |
gptkb:glass
gptkb: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
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sand timer
|