This is a one of a kind hourglass. Brass construction, very substantial and heavy for its size, the ends each have a compass! Black and white sand with a run time of 10 minutes.
Newton's Gravity Glass is a sand-filled hourglass suspended in a liquid-filled glass cylinder. The chrome Gravity glass is an awesome desk-topper and a question-generating educational tool. When the cylinder is...
Occasionally we run across new hourglasses that are unique enough that we purchase them as "tryers" to gauge customer interest and this is one of them so we have a...
The style of this hourglass gives it a rustic, vintage look. Made of black metal with a slightly distressed finish, it rotates within the frame and has white sand. Available in...