Various Effects of Silver Mirrors

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Various Effects of Silver Mirrors

• Hiromi Fujiki

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Overview

• History of the Mirror
• How mirrors are made..
• How mirrors work..
• Use of the Mirror

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History of the Mirror

• Metallic mirrors in Ancient Egypt
• -made by gold, silver, bronze etc..
• Basic glass mirrors in the 1300s
• -Venice
• Production of large size wall mirrors..
• -France during the Baroque Period

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Metallic mirrors in Ancient Egypt

• the third millennium B.C
• Polished
• -gtreflective surface of Gold
• Later, mirrors made by bronze

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History of the Mirror

• Metallic mirrors in Ancient Egypt
• -made by gold, silver, bronze etc..
• Basic glass mirrors in the 1300s
• -Venice
• Production of large size wall mirrors..
• -France during the Baroque Period

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Basic glass mirrors in the 1300s

• The first way..
• -a mixture of mercury and tin on
• the back of the glass.

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History of the Mirror

• Metallic mirrors in Ancient Egypt
• -made by gold, silver, bronze etc..
• Basic glass mirrors in the 1300s
• -Venice
• Production of large size wall mirrors..
• -France
• during the Baroque Period

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Production of large size wall mirrors

• The second half of 17th C
• -Baroque Period
• The Versailles
• -Hall of Mirrors
• -Louis XIV
• Introduction of Silver Nitrate

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How mirrors are made

• Float Glass
• -a much greater quality!
• -gtvery important to make good mirrors
• Wash by deionised water cerium oxide
• Spray a thin layer of tin
• -promote the adhesion of the silver
• Silvering, Coppering, Coating

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Red ox Reaction

• R -gt Reducing agent
• Ox -gt Oxidizing agent
• Mn -gt Ionized metal

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How mirrors work..

• Smooth surface of silver
• -Doesnt absorb the light
• or
• -doesnt scatter the light
• -gtReflect the light perfectly

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Human eyes..

• Everything that can be seen is seen only when
  light from that object travels to our eyes.
• Object distance Image distance
• law of reflection

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Human eyes

• In order to see the image of an object in a
  mirror, you must sight at the image when you
  sight at the image, light will come to your eye
  along that line of sight.

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Human eyes

• the orientation of the image
• -gtleft-right reversal

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Use of the Mirror

• To observe figures
• To make space look wider..
• To make rooms brighter

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Reference..

• Apercu des chefs-doeuvre www.chateauversailles.
  fr
• Bertamini, Marco et al. Naïve Optics Predicting
  and Perceiving
• Reflections in Mirrors. Journal of
  Experimental Psycology.
• 2003 Oct
• Sinemoglu, Nermin. The Turkish Journal of
  Collectable Art.
• 1985 July. www.mfa.gov.tr/grupc/cj/cja/m
  irrors.htm
• The way to manufacture mirrors www.mirror.or.jp
• What is the mirror? Sapporo Science Center
• www.ssc.slp.or.jp

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Thank you..

• Have a good springbreak//