24 Aug
2007
24 Aug
'07
3:08 p.m.
I just chanced upon this on the BBC website:
http://news.bbc.co.uk/1/shared/spl/hi/picture_gallery/07/in_pictures_tec
hnology0s_hidden_past/html/4.stm
The bit that particularly caught my eye is this:
<QUOTE>
The machine, replaced in 1972, is cleaned with saliva and cotton buds to
remove the residue left by cigarette smoke.
"That's a painting cleaning- technique," said collections care manager
Marta Leskard. "Saliva is full of enzymes."
</QUOTE>
Antonio
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