10 "Fișier:Scientific_American_-_Series_1_-_Volume_007_-_Issue_07.pdf".

Fișier:Scientific American - Series 1 - Volume 007 - Issue 07.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Congressional Record Volume 165, Issue 054, 2019-03-28.pdf

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Fișier:Scientific American - Series 1 - Volume 007 - Issue 42.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Scientific American - Series 1 - Volume 007 - Issue 46.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Scientific American - Series 1 - Volume 007 - Issue 43.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Scientific American - Series 1 - Volume 007 - Issue 45.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Scientific American - Series 1 - Volume 007 - Issue 44.pdf

English: Scientific American    (  ) Editor editor QS:P98,Q7378087 Title English: Scientific American Series title Old Series (1845–1859) Volume 7 Issue No...

Fișier:Circular of the Bureau of Standards no. 552- standard samples and reference standards issued by the National Bureau of Standards (IA circularofbureau552unse).pdf

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Fișier:Standard Materials issued by the National Bureau of Standards - A descriptive list with prices (IA standardmaterial241nati 0).pdf

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Fișier:Supplement to National Bureau of Standards Circular no. 398- standard samples and reference standards issued by the National Bureau of Standards (IA supplementtonat3981unse 2).pdf

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