<p>Milk is a nutritious liquid that is secreted by mammals and used to feed their young, and as food by human beings. As an example, farmers keep herds of dairy cows, sheep, and goats for the purpose of collecting milk.</p><h3>Milk Products &amp; Machinery</h3>In 1856, Gail Borden received the first United States and English patents for condensed milk. Gail Borden patented a method for making condensed milk by heating it in a partial vacuum. In 1861, Gail Borden opened a condensed milk plant and cannery in Wassaic, New York.<p>In 1863, <a href="https://www.thoughtco.com/louis-pasteur-biography-1992343" data-component="link" data-source="inlineLink" data-type="internalLink" data-ordinal="1">Louis Pasteur</a> invented pasteurization, a method of killing harmful bacteria in beverage and food products. In 1891, the first U.S. milk processing plant to install pasteurization equipment was the Sheffield Farms Dairy in Bloomfield, New Jersey. They used a German-made pasteurizer. In 1908, Chicago became the first major American city to pass a law requiring commercial milk to be pasteurized milk.</p><p>In 1878, Doctor Gustav De Laval invented the continuous centrifugal cream separator.</p><h3>How Milk has been Delivered</h3>In 1884, Doctor Hervey Thatcher of Potsdam, New York invented the first glass milk bottle called Thatcher&#39;s Common Sense Milk Jar, which was sealed with a waxed paper disk.<p>Victor Farris was the inventor of the paper milk carton. In 1932, plastic-coated paper milk cartons were introduced commercially. In 1964, the all plastic milk container was commercially introduced.</p><h3><a href="http://danielroy.tripod.com/cgi-bin/alternate/mongolia/opi5.html" data-component="link" data-source="inlineLink" data-type="externalLink" data-ordinal="2">Mongols Invented Powdered Milk</a></h3>Marco Polo arrived in Mongolia in 1275 and stayed in Kublai Khan&#39;s court for 17 years. During this time, he made written records of how the Mongols used powdered milk.