what were used before mirrors were invented?

Subject: what were used before mirrors were invented?

Date: Wed May 14 04:07:56 2003
Posted by raja
Grade level: undergrad School: beatty secondary school
City: SINGAPORE State/Province: singapore Country: singapore
Area of science: Science History
ID: 1052903276.Sh

Message:


i am asking this question because the way your reflection is reflected on the 
mirror is different from what were used long time ago. what is the difference.

Re: what were used before mirrors were invented?

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