frames were
usually made of wood, iron, or brass. Also leather, animal horn, bone,
and tortoiseshell were used too. (Goldstein 10) In China, some frames
were even made of papier-mâché. Early frames didn't have temples
that rested on the wearer's ears. Instead, people held the spectacles
before their eyes when the needed to read or take a close look at
something. When spectacles were not being used, they could be put
...