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
The Miami and Erie Canal, extending 249 miles from Toledo to Cincinnati, Ohio, was built between 1825 to 1845. The canal had 19 aqueducts, guard locks, and 103 lift locks.** *The series of 105 canal locks raised canal boats 395 feet above Lake Erie, and 513 above the Ohio River at Cincinnati, Ohio. Each canal lock was 90 feet long by 15 feet. The peak of the Miami and Erie Canal at the Loramie Summit extended 21 miles from Lock 1-N in New Bremen, Ohio, to lock 1-S in Lockington north of Piqua, Ohio.* *The entire canal system was 301.49 miles long and cost $8,062,680.07.