Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

4,912 results
  1. ... filing a piece of pure iron with a clean file. The dose of iron filings is from ten ... the protoxide of iron is prepared by dissolving clean unoxidized iron in diluted sulphuric acid. The London College orders, of Iron Filings, 3 viij.; Sulphuric Acid, 3xiv.; Water, Oiv. Mix ...
  2. ... fastq file and produce as output a fastq.clean file in which all reads identified as potentially of ...
  3. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson ..., William Fry, printer, 1814
    ... filing a piece of pure iron with a clean file. Officinal Preparation. Hydro-sulphuretum ammoniae, E. - vide Ammonia. ...
  4. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson and Son ..., William Fry, printer, 1818
    ... filing a piece of pure iron with a clean file. Officinal Preparation. Hydro-sulphuretum ammoniae, E. - vide Ammonia. ...
  5. NLM Digital Collections - The American dispensatory, containing the operations of pharmacy : together with the natural, ... 
    Publication: Philadelphia : Published by Thomas Dobson ..., Fry and Kammerer, printers, 1810
    ... filing a piece of pure 'iron with a clean file. > ■ . ". t • Officinal'Preparation. » » Hydro-sulphuretujm ammoniae, E. - vide ...
  6. ... piece of pure iron be filed with a clean file, then place a sieve over the filings, and ...
  7. ... brittle, or to filings by a sharp and clean file, if ductile, and then treated with nitric acid ... The metal is reduced to filings by a clean file : of these a weighed quantity, say one and ...
  8. ... file a piece of pure iron with a clean file. The French Codex directs iron in an impalpable powder prepared by porphyrizing bright and clean iron filings without water. A dull black powder is formed, ...
  9. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, Grambo and Co., 1854
    ... file a piece of pure iron with a clean file. The French codex directs iron in an impalpable powder, prepared by borphyrizing bright and clean iron filings without water. A dull black powder is formed, ...
  10. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Grigg & Elliot, 1839
    ... file a piece of pure iron with a clean file. The French Codex directs iron in an impalpable powder, prepared by porphyrizing bright and clean iron filings without water. A dull black powder is formed, ...
first · previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · next · last