Assertion: hourglass | /r/HasProperty | timed
Facets:
value: based on sand clocks
type: OTHER
Source sentences:
text: Hourglasses were also routinely used in the lecture halls of Oxford University, craftsmen's shops (to regulate working hours), and in England's House of Commons where bells to signal voting and lengths of speeches were timed based on sand clocks.
text: In her latest memoir, Hourglass : Time, Memory, Marriage, she examines her marriage to journalist and screenwriter Michael Maren.
text: Hourglasses were also routinely used in the lecture halls of Oxford University, craftsmen's shops (to regulate working hours), and in England's House of Commons where bells to signal voting and lengths of speeches were timed based on sand clocks.