Search Results
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7 items
Chemie der Benzolderivate oder der Aromatischen Substanzen
- 1867
Including what is believed to be the earliest depiction of the chemical structure of a benzene ring, this German work by August Kekulé (1829-1896) outlines his discoveries on the structure of benzene. An early founder…
- Author Kekulé, August, 1829-1896
- Publisher Enke, F.
- Subject Benzene, Kekulé, August, 1829-1896, Benzene--Derivatives, Aromatic compounds, Chemistry, Organic
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Chemical structure of a benzene ring
- 1867
The illustration on this page is believed to be the earliest depiction of the chemical structure of a benzene ring.
This German work by August Kekulé (1829-1896) outlines his discoveries on the structure of benzene.…
- Author Kekulé, August, 1829-1896
- Publisher Enke, F.
- Subject Benzene, Chemical structure, Kekulé, August, 1829-1896, Benzene--Derivatives, Aromatic compounds, Chemistry, Organic
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The Alchemist
- 1800 – 1899
A man dressed in peasant garb holds a gold scale in right hand and reaches with left for red substance in open paper packet. At left through window are building roofs; the light illuminates a dark, cluttered workshop…
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The Dentist and his Patient
- 1800 – 1899
This small painting on metal is a copy of Gerrit Dou's (also known as Gerrit Douw or Dow) [artist unknown] popular dentist scene in Dresden. Through the illusionistic frame of a large window, we see a dentist in a red…
- After Dou, Gerard, 1613-1675
- Subject Dou, Gerard, 1613-1675, Dentistry, Alchemy, Alchemy in art, Teeth--Extraction
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Alchemist at work (with book resting on skull)
- 1800 – 1899
In this small copy in the style of David Teniers II (artist unknown), an elderly, bearded alchemist closely reads an open book with an expression of absorbed contemplation. He is seated at his desk beside a skull and…
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The School Master
- The Quill Cutter
- 1800 – 1899
In this copy after Gerrit Dou's (also known as Gerrit Douw or Dow) popular "The School Master" composition (artist unknown), the old man at the window niche sharpens his pen while his pupils are busy at work in the…
- After Dou, Gerard, 1613-1675
- Subject Dou, Gerard, 1613-1675, Alchemists, Alchemy, Alchemy in art, Art, Dutch
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An Apothecary Shop
- 1800s
An alchemist takes the pulse of an elegant female patient, inside a cavernous chamber decorated with fine paintings and luxurious furnishings. Above the mantle hangs a painted hunting scene which resembles the work of…
- Attributed To Heemskerck II, Egbert van
- Subject Alchemists, Alchemy, Alchemy in art, Symbolism in art
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Alchemist with Scale
- 1800s
A bearded alchemist wearing a fur-trimmed top coat and cap is carefully weighing ingredients with a balance. On top of his table is an exotic carpet covered with papers, a copper pitcher, and ceramic jar. Resting on a…
- Artist Weiland, Johannes
- Subject Alchemists, Alchemy, Alchemists in art
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Bois de Boulogne
- Circa 1858 – 1880
This bird's-eye aerial view of Paris by engraver Marie-Hilaire Guesnu (1802-1880) shows the Bois de Boulogne, a large park located in the 16th arrondissement of Paris, on the western edge of the city. The park was…
- Artist Guesnu, Marie-Hilaire
- Printer Mangeon
- Publisher Fatout
- Subject Aerial views, Aeronautics, France--Paris--Bois de Boulogne, Bird's-eye views in art, Ballooning, Hot air balloons
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Bellows
- After 1826 – before 1930
Pesticide bellows with wooden handles, expandable leather pouch, and tip. Instructions attached to object.
- Manufacturer Bateman Mfg. Co., Mfrs. Agts
- Subject Pests--Control, Pesticides, DDT (Insecticide), Insecticides
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Total immersion mercury thermometer
- 1800s
A: Bulb containing mercury attached to a glass tube of narrow diameter. Thermometer has Celsius scale with 20-30 degree range with major divisions every 1 degree and minor divisions every 0.1 degree.
B: Protective…
- Subject Temperature measurements, Thermometers
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Mercury thermometer
- 1800s
A: Bulb containing mercury attached to a glass tube of narrow diameter. Thermometer has Celsius scale with 0-100 degree range.
B: Protective cardboard tube for the thermometer (not digitized).
Partial immersion…
- Subject Temperature measurements, Thermometers
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Portrait of an unknown scientist
- Circa 1824 – 1904
The identity of the scientist in this lithograph is not currently known. The print was created by Robert Jacob Hamerton, who was a cartoonist and illustrator from County Longford, Ireland. He later moved to London,…
- Artist Hamerton, Robert Jacob
- Subject Scientists, Portraits, Caricatures and cartoons
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Jasperware cameo portrait of Joseph Priestley
- After 1860 – before 1868
Cameo is oval with the profile of Joseph Priestley; profile is white and raised on a blue background with a raised dark blue border; sticker on back identifies the framer.
- Manufacturer Josiah Wedgwood & Sons
- Subject Priestley, Joseph, 1733-1804, Josiah Wedgwood & Sons, Cameos, Jasperware
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Jasperware cameo portrait of an unknown man in profile
- After 1759 – before 1986
Cameo is oval with the profile of an unidentified man; profile is white and raised on a blue background with a raised dark blue border; cloth/paper covered oval shaped cardboard easel is attached to the back.
- Manufacturer Josiah Wedgwood & Sons
- Subject Jasperware, Cameos, Josiah Wedgwood & Sons
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Jasperware cameo portrait of an unknown man
- After 1759 – before 1986
Cameo is oval with the portrait of an unidentified man looking forward; profile is white and raised on a blue background with a raised dark blue border; cloth/paper covered oval shaped cardboard easel is attached to the…
- Manufacturer Josiah Wedgwood & Sons
- Subject Jasperware, Cameos, Josiah Wedgwood & Sons
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Jean Henri van Swinden demonstrating the generation of electricity to the Felix Meritis Society
- 1800s
This engraving shows Dutch mathematician and physicist Jean Henri van Swinden (1746–1823) demonstrating the generation of electricity to the Felix Meritis Society in Amsterdam. The Felix Meritis Society was founded in…
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Hydrophobia
- 1800s
Originally published in Vanity Fair on January 8, 1887, this chromolithograph depicts Louis Pasteur holding two white rabbits.
- Artist Chartran, Théobald, 1849-1907
- Printer Of Plates Vincent Brooks, Day & Son
- Subject Pasteur, Louis, 1822-1895
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The Alchemist
- 1800s
A bearded man reading a book is standing in a great vaulted interior. A large window illuminates the room with warm daylight, reflecting against the glassware sparsely placed on upper shelves. At right, a long-necked…
- Artist Granet, François-Marius, 1775-1849
- Subject Alchemists, Alchemy, Alchemy in art
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The Alchemist
- Circa 1850 – 1883
This dark and eerie scene centers on the seated figure of an alchemist, pausing as he works a pair of bellows to stoke a fire. Dwarfed by his enormous chair and the looming masonry furnace at left, the alchemist peers…
- Artist Pannemaker, Doré, Gustave, 1832-1883
- Subject Alchemists, Alchemy, Alchemy in art
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Report on the fineness of copper
- After 1849 – before 1887
Tabulation of data on the fineness of copper (i.e. weight of copper in proportion to the total weight of the metal including impurities and alloy base metals.)
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2 items
Letter from James C. Booth to an unidentified "sir"
- After 1849 – before 1887
James Curtis Booth (1810-1888) comments on the subject of silver containing selenium. Letter relates to a set of correspondence from the New York Assay Office.
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2 items
Report, "No. of ounces of pure silver in disks of different diameters and of one inch thickness"
- After 1849 – before 1887
Tabulation of data reporting the number of ounces of pure silver in disks of different diameters and of one inch thickness.
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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.
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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.
