Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

"Comprising practical instructions in the dyeing of shot cobourgs, silk striped orleans, colored orleans from black warps, ditto from white warps, colored cobourgs from white warps, merinos, yarns, woollen cloths, &c.;…

Tin container of powdered henna pigment manufactured by S. B. Penick & Company. Henna is a dye prepared from the plant Lawsonia inermis, also known as the henna or mignonette tree. Whole henna leaves must be dried and…

The press release discusses Bulletin 5933, devoted to the Ultraffinity-EP column and the fast affinity chromatography (FAC) technique.

The press release announces the specifications of the Spherogel CAA-HIC Column.

Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over); bottle is half full with original dye.

General view of a trade show display for the General Aniline & Film Corporation highlighting products marketed for use in the textile industry. Standing at the center of the display is research chemist Dr. Abraham O.…

General view of technician James Geary using a Klett-Summerson Photoelectric Colorimeter to obtain a determination of iodine at a Dow Chemical Company laboratory. Designed in the 1930's by two Cornell University Medical…

Glass plates with spectrum image. Several of the spectra plates are labeled with wavelengths on the front and back.

Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…

A: Cast iron base attached to a sloping cast iron upright supporting the reader, prisms, sample cups, plungers, and a mechanism for raising and lowering the sample cups; two metal knobs control the height of the sample…

A: Duboscq type colorimeter, biological, with electric illuminator. Hollow black cast iron base attached to a sloping cast iron upright supporting the reader, prisms, and sample cups; reader detaches with two metal…

Sample book for sulfur dyes on cotton yarn. Contains dyeing instructions and mounted thread samples on folded cards.

Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over).