Magic of Making - Glass Marbles

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this is a marble shop where marbling is a very serious business it's important for a marble to be both round and beautiful better still if you have little colored bits in the middle but have you ever wondered how the colors got there and how a marble is actually made well this man knows all about it he's an expert glass blower and marble maker he works here in the heat of the Glass Works and people come from miles around just to watch him in action the glass is made by melting granules mainly of sand the principal ingredient the blowers oven uses an incredible heat to reduce the mix to a liquid this is definitely not the place for your Sunday roast though because any food in here would simply burst into flames and evaporate and if you saw a glass blowers gas bill you would understand why these furnaces use masses of gas to make an enormous amount of heat so it's not a bad idea to close the oven door and save some energy the marble maker is at his glory hole this is the name of the glassblowers gift they're warming ovens he begins by making a kind of colored glass sandwich [Music] the melting furnace is ready with some new molten glass the blowers assistant uses his steel rod to gather up what glass makers call a gob marbles of wood or clay II have been around for thousands of years since the days of the Egyptian pharaohs in fact but glass marbles are quite a new idea only a few hundred years old watching them being made has always been fun perhaps because this is not the sort of thing you can do at home the senior blower is back at the glory hole he has more glass on his rod and has been warming it up because glass blowers have to keep the glass on their rods hot enough to fiddle with and reshape [Music] but the blower's assistant has come off furnace duty to health and the marble makers have impaled the orb on another steel rod called a pun tree [Music] with great skill the glassblowers stretch and twist the glass longer and longer it gets until at last it looks like a skipping brook drops of cold water will shock the hot glass and factor it in the other corner of the workshop another blower already has a piece of the twisted glass on his rod [Music] and he takes it to the melting furnace for a lot more gathering the pas de lazy stalls a special cup is relieved at a set of glass canes spindles of color that will add to the finished marbles glory another vital detail a swirl in the optic mold so much work just to make a mob but everybody here agrees but it'll be well worth the effort [Music] with a block mold made from graphite the marble maker terms and shapes the end of the glass rod into a bar that black stuff is beeswax and it's a very important lubricant for the blower's of [Music] a stroke with cold steel fractures the glass so the Marvel can be broken away [Music] the snapped end forms a lump called to the nipple a marble with a nipple would roll most erratically and so the lump is flattened down under a jet of burning gas [Music] all that workers set up dangerous stresses inside the glass but in the annealing oven the marble is allowed to cool off slowly releasing the stresses without any danger of shattering outside the heat of the workshop rises into the air through these magnificent old chimneys and nearby the sound of children playing rolling games that have been handed down over a hundred generations but for time being the only rolling our lovely marble we'll see is that of admiring eyeballs in the factory shop

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Channel: magicofmaking

Views: 5,567,047

Rating: 4.7886949 out of 5

Keywords: How things are made, marbles, magic of making, children's videos, glassblowers, educational

Id: 1cXy7gxUtbU

Channel Id: undefined

Length: 7min 2sec (422 seconds)

Published: Tue Nov 09 2010

Reddit Comments

Don't put your dick in that one.

👍︎︎ 12 👤︎︎ u/Capt_BrickBeard 📅︎︎ Jul 16 2018 🗫︎ replies

Engineers on the old steam locomotives would refer to the place where the coal was shoveled as "glory holes" too.

👍︎︎ 3 👤︎︎ u/kpaddler 📅︎︎ Jul 16 2018 🗫︎ replies

I've seen that episode of How It's Made as well.

👍︎︎ 2 👤︎︎ u/jabeith 📅︎︎ Jul 16 2018 🗫︎ replies

Do bung holes next!

👍︎︎ 2 👤︎︎ u/synae 📅︎︎ Jul 16 2018 🗫︎ replies

I'm an elementary school teacher, & each year we take our classes to a place where we observe glass blowing. The kids are too young to understand why "glory hole" is funny, but we teachers always try to use the term as often as possible in the most suggestive ways, just to see what we can get away with.