The ship-canal, 51 miles in length, whereby the commerce of Amsterdam reaches the ocean, is wide and deep enough to float two passing frigates.
It was built 1819-25, at a cost of $4,250,000. A still deeper and wider one is now in progress.
Previous to the invention of canal-locks by the brothers Domenico, sluices were em-castings, destitute of porosity and with sharp definition on the angles and ornaments, casting under pressure has been devised.
See Hollingrake's English patent, 1819.
In one case the molds are so arranged that the top part serves as the follower of a press, and is operated upon by screws.
The top fits clptians.
The cautery was a favorite surgical instrument with ancient chirurgeons.
One of iron, shaped like a spade, was found by Dr. Savenko, of St. Petersburg, 1819, in the house of a Roman surgeon in the Via Consularis, Pompeii.
The cauter is used by farriers in veterinary operations.
（Fabric.) A coarse