A marble is a small spherical toy often made from glass clay steel plastic or agate these balls vary in size.
Marble manufacturing machine.
Improvements in marble manufacturing marble fabrication.
Marble making machine family tree.
Here s a pdf of a chart i put together for the 5th edition of the price guide that attempts to trace the lineage of the machines used by the various american companies.
It s a bit incomplete any additional information would be appreciated so that i can update the chart.
Get the audio track marble machine by wintergatan.
Thanks to the precision of modern technology marble has become increasingly accessible and affordable for consumers.
Marble manufacturing migrated to american shores in the later decades of the 19th century.
Most commonly they are about 13 mm 1 2 in in diameter but they may range from less than 1 mm 1 30 in to over 8 cm 3 in while some art glass marbles for display purposes are over 30 cm 12 in wide marbles can be used for a variety of games called marbles.
A metamorphic rock with outstanding beauty and variety marble has been an important building material for several millennia.