A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

Everyone wanted gold. They took their paper money and their silver to the government and exchanged them for gold.

VOA: special.2010.06.17

To do this,he had to urge Congress to kill a law which forced the government to buy silver.

VOA: special.2010.06.24

By selling it to the government, the mining interests hoped to keep the price of silver from falling.

VOA: special.2010.06.03

Next,he went to the famous jewelry store, Tiffany's,and bought a tie pin and some brushes with silver handles.

VOA: special.2009.04.11

At that time, both gold and silver were used to support the value of the American dollar.

VOA: special.2010.06.24

That it was necessary to stop - for a while - all payments in gold or silver.

VOA: special.2009.01.01

Many other Americans wanted the United States to support its money with both gold and silver.

VOA: special.2010.07.01

That was when mines in the western United States began to produce large amounts of silver.

VOA: special.2010.06.17

Bryan said the United States should continue to make and use both gold and silver money.

VOA: special.2010.06.24

The deal was agreed to. Both the McKinley Tariff Bill and the Sherman Silver Purchase Bill were approved by Congress and signed by President Harrison.

VOA: special.2010.06.03

Cleveland decided the only answer was to get Congress to kill the silver purchase law.

VOA: special.2010.06.17

It was once home to many silver mines and towns that grew up around them.

VOA: special.2009.08.16

Land was almost free. Some people wanted to find gold or silver and become rich.

VOA: special.2010.03.10

New discoveries of gold and silver now were leading men to Colorado, Arizona and Nevada.

VOA: special.2009.05.28

He urged them to kill the law which forced the government to buy silver.

VOA: special.2010.06.24

To stop this, President Jackson ordered gold or silver payments only for government land.

VOA: special.2009.01.01

Wealthy businessmen and bankers did not want to use silver money at all.

VOA: special.2010.06.17

He had led an unsuccessful fight in Congress to keep America using silver.

VOA: special.2010.07.01

President Cleveland believed he could get Congress to kill the silver purchase law.

VOA: special.2010.06.17

It refused to accept the notes, or paper money, of these banks, unless the state banks were ready to exchange the paper for gold or silver money.

VOA: special.2009.01.01

Paper money was used to represent a nation's gold and silver holdings.

VOA: special.2010.06.17

He began to cough. The silver bells on his cap jingled.

VOA: special.2009.02.07

The value of silver was tied to the value of gold.

VOA: special.2010.06.17

The extra silver caused the price of the metal to fall.

VOA: special.2010.06.17