fashionable factory supplied glass sand timer with metal frame
- It has two connected vertical glass bulbs allowing a regulated trickle of material from the top to the bottom..
- Once the top bulb is empty,it can be inverted to being timing again.
- Factors affecting the time include the amount of sand,the bulb size,the neck width,and the sand quality
- It is used when an qpproximate measure suffices,as in egg timers for cooking or for board games,
- Also good gift for home or office decoration
- Individual handcraft,classic look,timing accurate
