WarmGlass.com

Thanks Marty So it seems. I was not worried about missing answers, but missing newbie questions. I have noticed the same on my site in Finnish language. One of the most popular pages is Q&A, still only 0-1 new question per year. At the end of last year they closed the abandoned hospital building...

The forum has been quite silent recently.
Active topics last month has 4 entries, three of selling, one for buying.
No technical discussions, questions or even Spab.

What is the problem? Is this craft fading out like tiffany or is it only economical crisis that restricts business and hobby.

-lauri

The magless howto's are worth of a good look.

I have understood that theory of cooling, or more properly tradition of cooling comes from some charts Corning has published. Those were based on experience with glass blowing. A difference is made between single side cooling (bottles) and double side cooling (bowls and othe open forms). Corning pub...

Nobody answered the question; how to get smooth and precise score freehand. I mean how to follow the marker line without wobbles. There are two answers, confidence and practice. Start with the practice until you get the confidence. The glass cutter is like a horse. If it feels that the rider is inse...

Somewhere I saw a value that the core and surface (or any two points in a piece) must be kept wthin 20C 36 F below the transition range. In annealing the delta is 5 C. There we are worried about permanent frozen in stress. In warming up we are worried about temporarily tolerable stress. Above transi...

The reason for 750 F (425C) is that annealing takes place in two stages. The first is annealing soak, it is only for cooling so that there remains no more than 5 C difference in temperature, that is 9 F, within the glass mass . The annealing proper takes place during F is small enough not to introdu...

Morganica wrote:Try sifting down a separator--dry kilnwash, plaster of paris, alumina, that sort of thing. If you coat it well (and evenly) you should get separation without the expense of BN.

That is how windshields are made.

Morganica wrote:"And we DRINK Cocacola?"

So do I, too.
And I even smoke tobacco.
There are plenty of dangerous stuff we consume, chili for example.
They kill slowly, but I am retired, no need to hurry.

Ps.
The decalcinating stuff used for kitchenware is much cheaper.

For some works where I have considered the back side critical, I have"casted" the kiln wash. I take a sheet of float glass, clean it and apply car wax which I polish carefully. Then I cast a layer of gypsum. It will get an almost glossy surface. There gypsum plates i use for carving a patt...

fantastic! What kind of glass do you use? Is it compatible leftovers? This type of work I have done using punty pint from a gassblower friend. It is clear glass with surface colour. When shelf melted to a blank the color forms thin veils within the blank. http://lauri.lsd.dk/lasi/galleries/lauri/kie...

Excuse my poor English. What is a shadow box?
-lauri

I do not have that kind of persistence. I do make "custon kiln posts" of a slab of clay vedged under 3 sides of a mold.

Hello, I'm Lauri close to the other pole of earth. You are right that the last annealing is what counts. You can skip the previous annealings IF the glass does not break in free cooling AND in the next ramp up. If yoy have used precious time and material in the preliminary stages you will be sorry i...

Sorry,
I did not notice that the link was badly broken
http://lauri.lsd.dk/lasi/liitteet/WGdict.html

Here it is tested

-lauri

Some nostalgia I happened to rerad the birth pains of Warm Glass Dictionary. It is still alive, byt apparently the only updated version is on my site http;&&lauri.lsd.dk/lasi/WGdict.html I am now translating parts of my site into Swedish. That will include an English to Swedish version of th...

An alternative is to lightly sandblast the glass surface and then paint/dip/airbrush a coat of clear acrylic. This gives it a wet. shiny look. You have to sandblast first otherwise the acrylic will easily chip off. A good tip that leaves one nagging question. Is it faking? I mean that a glass piece...

can't proviede cues, but need one.
You said your thermocouple was 15 F off.
How to measure thermocouple calibration?

-lauri

Peter Angel wrote:Laurie,

What type of fibre paper do you use?

Pete

Thifire has very short fibers. 2-3 mm fiber papers leave soft blanket sfter firing.
I shread it to small patches. I make pulp of it for inner layer, for outer layer I
soak the patches in plaster and set around the mold.

A variantof Peter's method is
I put some water and used fiber paper in a blender to get a fiber pulp.
That I use as Peter described.

nasty stuff. Use breathing mask and good gloves when you shred the used, soft fiber paper.

-lauri