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Posted by M on February 12, 2008, 8:07 am
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>
>>M wrote:
>>> I have a good few lumps of old broken glass some up to about 3" thick
>>> and
>>> would like to cut thin sections out but not sure if or how it can be
>>> done.
>>> If it can would it be expensive and what percentage woulod be wasted
>>> roughly. Who if anyone does that type of work. What thickness would be
>>> the
>>> best to aim for.
>>> It is pieces of a broken lighthouse fresnel lens which we would like in
>>> slivers/sections so that a picture of the lighthouse could be etched
>>> onto
>>> them.
>>> Sorry there are som amny questions but hopefully someone may have the
>>> answers.
>>>
>>> Thanks Mick
>>>
>>>
>> Do I understand right that you want to cut the curved fresnell pieces
>> radially, to get say ½" slices withthe three polished sides intact.
>> Interesting job.
>> How thick are the fresnedd segments. A tile saw may reach 1½"deep
>> lapidary saws a little deeper. Large blades are thick to prevent
>> vibration.
>> What you need is to get together
>> 1. A glass artist with that kind of experience of cold working
>> with wet belt sanders and plishing planes.
>> 2. A gravestone maker with proper saws.
>> The etching then is easily found.
>>
>> -lauri
>
> a normal 10" tile saw will cut these ok. you can cut up to about 4" thick.
> it won't be polished, which will take normal glass polishing techniques.
> someone with a flat lap or vibrolap could do that.
>
>
Thanks for the advice and I think I'll go with the 1/4" thick and get it
polished. These are like big rough pebbles mostly and came from the lens
being smashed on the rocks when being replaced years ago. I keep finding
lumps and have given a good few away to visitors who have an interest in
lighthouses or this location. Just thought if not too expensive it would be
nice to be able to give them a piece engraved by a local artist.
Thanks again to all for the advice and I am taking some down on holiday with
me in a few weeks and will try to locates a firm in the
Yorkshire/lancashir/Cheshire area that can do the job.
Mike
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