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{\b Stop 330 \endash Family tour \endash Sidearm Press and Molds Final
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{\f28 \par
\par }{\b\f1 Narrator:}{\i\f1 }{\f1 Pressing was a much easier method of making glass than
blowing glass, and it took much less time to train the workmen to do the pressing. An
apprenticeship to be a glass blower was five to seven }{\i\f1 years}{\f1
, while training to be a presser only took about six }{\i\f1 months}{\f1 . If you look
at the picture on the back wall you can see how this press was used.
\par }{\f28 \par }{\b\f1 Jane:}{\f1 }{\i\f1 \'93One man
would bring over a gather of glass and drop it into the mold, and the second man would
cut off the gather, close the mold and pull down the handle to press\'85
put the plunger into the, into the mold and press the piece. These two men are adults,
but actually boys were employed in the factory as well.\'94
\par }{\f28 \par }{\b\f1 Kid 1}{\f1 : What kind of jobs
did they do? \par }{\f28
\par }{\b\f1 Jane:}{\f1 \'93The boys would take the finished piece to another oven so
that it could cool down slowly. The number of hours it took }{\strike\f1 to cool}{\f1
depended on whether the glass was thin or thick,
because thin pieces cooled much more rapidly than thick ones. This was important because
if the glass cooled too rapidly, it would probably crack, or it might chip when it came
out of the oven.\'94 \par }{\f28
\par }{\b\f1 Narrator:}{\f1 If you want to see a real life example of what can happen
to glass during the cooling process, head over to the Innovation Center and see the
200 inch glass lens that was made for an observatory\rquote s telescope. That took over a }{\i\f1 year}{\f1
to cool down, because it was so huge. But the cooling oven was opened too soon, which
made cracks in the lens, and that\rquote s why it\rquote s here at Corning, and not on
the end of a telescope. \par
\par }}