Search Results
-
24 items
Notes on the modes of operating in the Melting and Refining Office of the United States Mint
- After 1849 – before 1887
Description of operating procedures in the Melting and Refining Office of the United States Mint. Digitized content does not include page seven because it is not held by the repository.
-
2 items
Annual Settlement of Melter & Refiner’s Account since 1860
- After 1860 – before 1887
Account Statement listing totals for standard ounces of gold melted, actual wastage, and ratio of wasted to melted for the years 1861-1886.
-
30 items
Method of operating in the Melter and Refiner’s Department of the U.S. Mint at Philadelphia
- After 1849 – before 1887
Description of operating procedures at the U.S. Mint in Philadelphia.
-
2 items
Settlement of Gold since 1860
- After 1860 – before 1887
Account Statement listing totals for standard ounces of gold melted, actual wastage, and ratio of wasted to melted for the years 1861-1886.
-
5 items
Points in Melting Silver
- After 1849 – before 1887
Notes providing instructions on how to melt silver.
-
2 items
Can of Langlebert's Psyllium Seeds
- 1800s
Gold painted metal can and lid both with extensive dark blue lettering and decoration.The main label reads "LANGLEBERT'S PSYLLIUM SEEDS." The can is full of small brown psyllium seeds, a source of soluble dietary fiber.
-
4 items
Louis Pasteur lecture notes on crystal structure, tartaric acid, and arsenites
- After 1849 – before 1895
Handwritten lecture notes with diagrams prepared by Louis Pasteur for a lecture to the National Academy of Medicine on the subject of crystal structures, tartaric acid, and arsenites. This work led to the field of…
-
Surgeon operating on a man's foot
- At the Alchemist
- Circa 1820 – circa 1870
In a small workshop a medical alchemist tends to the foot of a seated patient while the man's wife and child look on. At left, an assistant grinds a substance--likely a medicine or salve--in a small mortar and pestle.…
- After Teniers, David, 1610-1690
- Subject Medicine and art, Medicine, Alchemy, Alchemy in art
-
2 items
Louis Pasteur lecture notes on crystal structure, tartaric acid, and arsenites (1 of 4)
- After 1849 – before 1895
First page of handwritten lecture notes with diagrams prepared by Louis Pasteur for a lecture to the National Academy of Medicine on the subject of crystal structures, tartaric acid, and arsenites. This work led to the…
-
2 items
Louis Pasteur lecture notes on crystal structure, tartaric acid, and arsenites (2 of 4)
- After 1849 – before 1895
Second page of handwritten lecture notes with diagrams prepared by Louis Pasteur for a lecture to the National Academy of Medicine on the subject of crystal structures, tartaric acid, and arsenites. This work led to the…
-
Plate I: Couleurs d'un spectre solaire
- Colors of the Solar Spectrum
- 1864
Inscribed: "Couleurs d’un spectre solaire produit par un prisme de sulfure de carbone comparées aux types du premier cercle chromatique de Mr. E. Chevreul."
The plate indicates colors from Chevreul’s "first chromatic…
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
28 items
Des couleurs et de leurs applications aux arts industriels à l'aide des cercles chromatiques
- Of Colors and of their Applications in the Industrial Arts with the Help of Chromatic Circles
- 1864
Michel Eugène Chevreul’s Des couleurs presents the French chemist’s color classification system distinguishing 14,400 hues and tones. The book’s plates, illustrating various tonal scales and color wheels, were produced…
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate XIV: Dixième cercle chromatique
- Tenth chromatic circle
- 1864
Inscribed: "10ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 9/10 de noir."
Chevreul’s tenth chromatic circle shows the 72 pure hues from Plate V subdued with 9/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate XIII: Neuvième cercle chromatique
- Ninth chromatic circle
- 1864
Inscribed: "9ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 8/10 de noir."
Chevreul’s ninth chromatic circle shows the 72 pure hues from Plate V subdued with 8/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate XI: Septième cercle chromatique
- Seventh chromatic circle
- 1864
Inscribed: "7ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 6/10 de noir."
Chevreul’s seventh chromatic circle shows the 72 pure hues from Plate V subdued with 6/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate XII: Huitième cercle chromatique
- Eighth chromatic circle
- 1864
Inscribed: "8ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 7/10 de noir."
Chevreul’s eighth chromatic circle shows the 72 pure hues from Plate V subdued with 7/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate X: Sixième cercle chromatique
- Sixth chromatic circle
- 1864
Inscribed: "6ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 5/10 de noir."
Chevreul’s sixth chromatic circle shows the 72 pure hues from Plate V subdued with 5/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate IX: Cinquième cercle chromatique
- Fifth chromatic circle
- 1864
Inscribed: "5ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 4/10 de noir."
Chevreul’s fifth chromatic circle shows the 72 pure hues from Plate V subdued with 4/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate VIII: Quatrième cercle chromatique
- Fourth chromatic circle
- 1864
Inscribed: "4ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 3/10 de noir."
Chevreul’s fourth chromatic circle shows the 72 pure hues from Plate V subdued with 3/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate IV: Zone circulaire divisée en 72 parties égales
- Circular zone divided into 72 equal parts
- 1864
Inscribed: "C’est la Planche 3 divisée en 72 parties égales avec cette condition que les zônes représentant le rouge, le jaune et le bleu, partagent en deux moities les trois parties où elles se trouvent."
This plate…
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate II: Gamme des tons bleus
- Scale of blue tones
- 1864
Inscribed: "Manière dont Mr. Chevreul conçoit qu'une couleur qui est indéfinie en allant du blanc au noir est distinguée en parties définies qu'il appelle tons."
Chevreul presents the gamut of a pure color—blue—from…
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate VI: Deuxième cercle chromatique
- Second chromatic circle
- 1864
Inscribed: "2ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 1/10 de noir."
Chevreul’s second chromatic circle shows the 72 pure hues from Plate V subdued with 1/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate V: Premier cercle chromatique renfermant les couleurs franches
- First chromatic circle containing pure colors
- 1864
Inscribed: "1er cercle chromatique de Mr. Chevreul renfermant les couleurs franches."
Chevreul’s first chromatic circle shows 72 colors in their purest hues.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate VII: Troisième cercle chromatique
- Third chromatic circle
- 1864
Inscribed: "3ème cercle chromatique de Mr. Chevreul renfermant les couleurs rabattues, à 2/10 de noir."
Chevreul’s third chromatic circle shows the 72 pure hues from Plate V subdued with 2/10 black.
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing
-
Plate III: Zône circulaire dont les couleurs sont continues
- Circular zone of continuous colors
- 1864
Inscribed: "Zône circulaire dont les couleurs sont continues. On la suppose formée d’une reunion de zônes excessivement étroites et contigues parmi lesquelles il en est trois qui sont a des distances égales, RR, JJ, et…
- Author Chevreul, M. E. (Michel Eugène), 1786-1889
- Engraver Digeon, René Henri
- Printer Of Plates Lamoureux
- Publisher J.-B. Baillière et fils
- Subject Color--Terminology, Color separation, Colors, Color printing