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15. To Purify Water

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This section is from the American Hand Book of the Daguerreotype, by Samuel D. Humphrey. Published S. D. Humphrey, 37 Lispenard Street 1858.

15. To Purify Water

Filter the water well, and then add about three drops of nitric acid to the pint. This can be used as absolutely pure water, but I would recommend the use of distilled water as preferable.

 

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previous page: 14. To Redeem, a Solarized Impressionpage up: American Hand Book of the Daguerreotypenext page: 16. Cleaning Mercury