Letter in French from Giovanni Antonio Giobert (1761-1834), an Italian chemist and mineralogist after whom the mineral giobertite has been named, to Count Chanteloup. Dated August 16, 1812, the letter concerns a sample…

A red display box of 24 samples of various products colored with dyes. The top and side flaps open to reveal 24 samples of various products colored with dyes. Includes liquids in small bottles, powders in brass circular…

A - Old Gold
B - Gold
C - Plum
D - Silver Gray
E - Maroon
F - Old Rose
G - American Beauty
H - Silver Gray
I - Black
J - Bright Green
K - Old Rose
L - Golden Brown
M - Olive Green
N - Mahogany
O - Olive Green
P - Olive…

This is a modern reproduction of a late-19th-century tin advertising sign. The sign depicts a woman dyeing cloth in red dye. Articles of clothing including a stocking and blouse are on a clothesline hung above her head.…

Sample book for Palatine fast dyes, a trade name for metal-complex dyes where chromium is incorporated into the dyestuffs molecule by the manufacturer. The process for Palatine fast dyes was achieved around 1915 by I.G.…

Part II of a sample book from Farbenfabriken vorm. Friedrich Bayer & Co.—the first incarnation of the modern pharmaceutical company Bayer AG established to manufacture and sell synthetic dyestuffs—containing mounted…

Contains a listing of available benzo color dyes.

Contains a listing of available para color dyes.

Part I of a sample book from Farbenfabriken vorm. Friedrich Bayer & Co.—the first incarnation of the modern pharmaceutical company Bayer AG established to manufacture and sell synthetic dyestuffs—containing mounted dyed…

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…

Color print advertisement for synthetic indigo and other indigoid products manufactured and sold by the Dow Chemical Company. The advertisement features images of ancient Egyptian statues with accompanying text…

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…

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.

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.

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.

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.

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.

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.

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.

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…

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…

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.