Bullet and Shot Towers
Such towers can be found in different parts of our planet, they were built in the XVIII century, they were used for the Tower for the production of lead bullets and shot. A simple but effective technology for the manufacture of bullets in 1782 was proposed by the British inventor William Watts. The rifle towers, that is how they began to be called in Europe, were built near arms factories. At the top of the tower is a vat of liquid molten lead, which slowly pours onto the steel sieve. When the drops fall down, they take the form of a ball and cool off from the air. The final cooling takes place in the water tank.
The height of the tower and the size of the sieve allow you to produce bullets and shot of various sizes. From the vat of water, the almost finished product fell on an inclined table, where defective paths were selected. Controlled bullets covered with graphite and a special lubricant to prevent their oxidation.
In the 19th century, the number of similar towers increased many times. In the USA, the first tower was built in 1808, and 5 years later, near St. Louis alone there were already three towers.
The industrial revolution changed the look of the towers.They began to appear lifts and elevators. Steel arched structures lined with planks replaced the bricks, and instead of people they began to use mules to transport trolleys with bullets along the rails.
After a while, the height of the towers was reduced by directing a stream of cold air towards the drops. In 1961, the Louis Blamester method will appear. In this case, the sieve was immersed in a boiling liquid, and immediately under it was an inclined table. Thus, a height of only a few centimeters was required.