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"George" <gblack@xxxxxxxx> schrieb im Newsbeitrag
news:1166296792.910903.275080@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> Michael Kuettner wrote:
>
>> "Peter Alaca" <p.alaca@xxxxxxxxxxxxxx> schrieb im Newsbeitrag
>> news:45820518$0$20618$dbd4d001@xxxxxxxxxxxxxxxxxx
>> <snip>
>>
>> > Some years ago we excavated a Roman horse from
>> > very havy clay. Quite a job.
>> > Afterwards it must be cleaned of course, before it
>> > could be prepared. That was almost worse than the
>> > digging. It must be done very carefully, because most
>> > of the bone was very soft. Very frustrating because many
>> > bones crumbled in your hand or broke when you broke a
>> > lump of clay. The skul looked nice, but in the end the
>> > skeleton was in a too bad condition for proper preparing.
>> > After all that work! That do I call the hard way.
>> >
>> Why didn't you use hot steam ? A custom hot steam cleaner with
>> a specially made nozzle (for thin jets of steam) should have worked well.
>>
>> That method would have avoided the braking and crumbling, and I can't
>> think of any negative effects.
>
> We used to have the benefit of a dentists water jet.
> Very adjustable stream
>
Yep. Now imagine that assembly with steam.
With the right nozzle, the steam "pencil" will be concentrated for quite a few
centimetres.
Temperature is adjusted by distance of nozzle to object.
One doesn't want to boil the thing one's cleaning, right ?
Cheers,
Michael Kuettner
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