what are volumetric glass flasks and pipettes used for?
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The Volumetric flask is used to measure one specific volume. Mostly a single flask can only be used for a certain measurement, e.g. a 250.00mL flask can only be used to measure 250mL.\n\nThe pipet is used totransport small quantity of liquid. They are usually made of plastic and are disposable.
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A thermos.\n\nAn actual thermos (or dewar flask) has a vacuum seal that allows no heat to transfer through (because it's empty), thus minimizing the heat loss or gain.
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magnesium is used to make glass for high rise buildings.  It makes the glass strong, it is harder to break magnesium enhanced glass.
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flask - container for substances\nweight -  to measure weight\nspatula - kind of spoon\nbunsen burner - used for heating and boiling\nasbestos - used to protect something from burning
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http://groups.yahoo.com/group/glasscollectors/\nTry my yahoo glass group for help.
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In the lab we used to enlarge the hole on micropipette tips when pipetting things like glycerol. Just cut off a little bit of the tip with a razor blade. With samples over 1 mL we were just patient because the plastic disposable pipettes tend to shatter if you try to trim them a little.
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VWR has a lot of pics.  If these links don't work, go to www.vwr.com and search for flasks.\n\nhttp://www.vwrsp.com/catjpg/041/041806.jpg\nhttp://www.vwrsp.com/catjpg/040/040831.jpg
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volume is measured in liters or cubic meters
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www.o-i.com/about/corporate/glassmfg.asp\n\nwww.glassonweb.com/glassmanual/topics/index/production.htm
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Filtration\nEvaporation\nCentrifugation\nPercipitation\nDistillation\nFractional Distillation\nMagnetism\nSeperating Funnel
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Laboratory implements?
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Because they have zero viscosity, superfluids are use as the suspension medium for some very high precision devices such as the gyroscopes that are used to measure minute gravitational effects.  They are also used to disolve gas molecules so that the molecule can be studies spectroscopically while still remaining free to rotate as if in a gas.
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Are you talking about sealing surfaces or welded connections?\n\nFor sealing surfaces you have raised face flanges that can use a flat gasket or a spiral wound gasket. There are  flanges with grooved faces that use a soft oval shaped iron ring. These are usually just called ring joint flanges. Tongue and groove flanges are also available.You can also get flat faced flanges (typically for water and other low pressure services) that can use a rubber or asbestos like gasket.\n\nThe connection of the flange to the pipe can be butt weld, socket weld, slipon, or threaded.
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Gosh!  They are unlimited.  A simple cup, a simple cylinder, a funnel. those are just some symmetric shapes.
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an anameter  -it is used fr measuring current passing through the circuit.\n\n conical flask -its flat bottemed used to hold liquids in reactions where heating is not required.\n\nburette -used to add one solution to another and also acurately measures the amount of liquid used.\n\ndropper pipette -used to add small but accurate amount of liquid to another.\n\nfunnel - used to carry out filtration.\nboiling tube-made of thick resistant glass used fr strong heating.\n\nround bottemed flask-used to hold liquids in reations where heating is required.\n\nwatch glass-holds solids\n\nevaporating dish-it can be gentely heated\n\nmortar and pestle-fr grinding and mixing solids\n\ngud luck!hope it helps
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Inside or outside volume?\n\nInside:  Can't use Fluid => Gas or liquid.  Use solid like sand to fill the vase.  Takeout the sand and measure the volume either by weight/density or use another standard measuring device.\n\nOutside: Trace the curve, find out how many continuous sections are there that are connected at discontinuous boundaries, find volumes of each (use cylinder or cone volume formula) and add up the volumes.
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Well, I work with glass for a living, and for me, two different types of glass are Moretti and Boroscilicate. Boro glass is commonly referred to as Pyrex; it has a higher melting temperature and, when annealed (cooled) properly, is very resistant to breaking. Moretti is a softer, soda-lime glass, with a lower melting temperature (this is the kind I typically work with.) in my sources i've put some links to some glass sellers who could tell you more about different types of glass.