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For a much more thorough description of the history of hand made glass marbles, please visit my History of Glass Making in Lauscha, Germany page.
Transparent Swirls can be found in size from 7/16" to well over two inches, though some are more restricted in their size range. Several factors can increase the collectibility and therefore the value of Transparent Swirls.
However, the peak period of production was in the 1880s.
They were produced until the early part of the twentieth century, when World War I and the invention of marble producing machinery in America effectively ended the hand made marble industry.They also made large mechanical puppet theatres driven by waterwheels and carriage wheels and wine-serving automatons driven by paddle wheel boats.Some of the first inventions of Neolithic China include semilunar and rectangular stone knives, stone hoes and spades, the cultivation of millet, rice, and the soybean, the refinement of sericulture, the building of rammed earth structures with lime-plastered house floors, the creation of pottery with cord-mat-basket designs, the creation of pottery tripods and pottery steamers and the development of ceremonial vessels and scapulimancy for purposes of divination. With later inventions such as the multiple-tube seed drill and heavy moldboard iron plough, China's agricultural output could sustain a much larger population.A sophisticated economic system in imperial China gave birth to inventions such as paper money during the Song Dynasty (960–1279).The invention of gunpowder during the mid 9th century led to an array of inventions such as the fire lance, land mine, naval mine, hand cannon, exploding cannonballs, multistage rocket and rocket bombs with aerodynamic wings and explosive payloads.
Materials from these categories are both the most frequently encountered and the most useful for assigning dates. Ceramics are objects that are made from baked clay.