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bottle of ammoniac-nickelous sulfate

bottle of ammoniac-nickelous sulfate

Chemistry Laboratory, Harvard College
late 19th-early 20th Century
Chinese raw silk dyed with aniline red

Chinese raw silk dyed with aniline red

Chemistry Laboratory, Harvard College
dated 1891
mounted and sealed specimen of paraffin wax

mounted and sealed specimen of paraffin wax

Chemistry Laboratory, Harvard College
circa 1900
sealed glass bottle of alazarine indigo g paste

sealed glass bottle of alazarine indigo g paste

Friedrich Bayer & Company
circa 1900
sealed glass bottle of Alizarine BX Paste

sealed glass bottle of Alizarine BX Paste

Friedrich Bayer & Company
circa 1885
sealed glass bottle of Alizarine BX Powder

sealed glass bottle of Alizarine BX Powder

Friedrich Bayer & Company
circa 1885
sealed glass bottle of Alizarine Indigo 5R Paste

sealed glass bottle of Alizarine Indigo 5R Paste

Friedrich Bayer & Company
circa 1910
sealed glass bottle of Alizarine Indigo 7G Paste

sealed glass bottle of Alizarine Indigo 7G Paste

Friedrich Bayer & Company
circa 1910
sealed glass bottle of Alizarine Indigo 7R Paste

sealed glass bottle of Alizarine Indigo 7R Paste

Friedrich Bayer & Company
circa 1910
sealed glass bottle of Azo-Eosine

sealed glass bottle of Azo-Eosine

Friedrich Bayer & Company
circa 1885
sealed glass bottle of Naphtaline-Acid-Black 4B

sealed glass bottle of Naphtaline-Acid-Black 4B

Friedrich Bayer & Company
circa 1885
sealed glass bottle of naphtole

sealed glass bottle of naphtole

Friedrich Bayer & Company
circa 1885
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