What is MENISCUS? The departure from a flat surface where a liquid meets a solid, due to surface tension. The effect can be seen clearly through the wall of a glass tube. The surface of water in air rises up the wall of the tube, while that of mercury is depressed, SIGHT-FEED LUBRICATOR.
An abandoned mud-covered scooter is found during the draining of the Canal Saint-Martin in Paris, France Charles Platiau/Reuters
Still missing are the two last warships to sink in the Great Lakes, the French minesweepers, Inkerman and Cerisoles, which vanished in Lake Superior during a blizzard in 1918. 78 lives were lost making it the largest loss of life in Lake Superior and the greatest unexplained loss of life in the Great Lakes.