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LEMON REMOVES TARNISH FROM COPPER PENNIES<br />
(1 of 2)<br />
Citric Acid and Copper Oxide<br />
A slice of lemon is placed on a bed of tarnished copper pennies.

Fphoto-50200011A-2PS.jpg

LEMON REMOVES TARNISH FROM COPPER PENNIES
(1 of 2)
Citric Acid and Copper Oxide
A slice of lemon is placed on a bed of tarnished copper pennies.

Copyright:© 2000 Paul Silverman - Fundamental Photographs

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