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Genre Engravings Remove constraint Genre: Engravings

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    • 1900s

    A half-length portrait of Friedrich Wöhler (1800–1882), a German chemist.

    • circa 1900 – 1965

    This work reproduces a painting by Wijck in the collections of the Rijksmuseum. The alchemist, seated at his desk before the window, looks down to survey the progress of his assistant. The young boy holds up a basin for…

    • 1900 – 1950

    This 20th-century color lithograph reproduction of an early-19th-century engraving shows a pink and white striped balloon rising above a pastoral landscape. In the balloon basket are two small figures. The campus of…

    • 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…

    • 1870 – 1890

    This print reproduces a painting exhibited by A. H. Tourrier at the Royal Academy in London in 1871. The scene shows a trio of nobles standing awed before an alchemist holding out a broken crucible in his right…

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. II
    • 1880

    Elevation, longitudinal section, and ground plan of a pyrites kiln for burning sulfur to produce sulfuric acid.

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. II
    • 1880

    Elevation and plan of the Franklin Oil Works petroleum refinery in Philadelphia.

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. II
    • 1880

    Thomas' apparatus for melting sulfur by steam.

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. II
    • 1880

    Front elevation and plan of Alfred Fryer's concretor, an apparatus used for evaporating cane juice rapidly, "to concentrate as cheaply and efficiently as possible the juice which is supplied to it; turning it at once…

    • 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…

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Apparatus for the fractional distillation of aniline oils.

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Brunton's calcinor, a reverberatory furnace used for the metallurgical process of roasting or calcination of tin ores containing arsenical pyrites.

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Two examples of Gramme's machines for electro-metallurgy.

    "This machine differs from all other magneto-electric machines at present known, inasmuch as it is the only one that gives a continuous current in one…

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Cylindrical stills for the manufacture of benzene.

    Now termed benzene, "benzol" is a hydrocarbon first discovered by Michael Faraday in 1825, in the liquid which resulted from the compression of illuminating gases…

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Machinery for the manufacture of gun-cotton (nitrocellulose):

    Carding cotton to prepare it for dipping in acids. Drying cotton before dipping. Section of drying tube. Dipping and placing the steeped cotton in pots. Pot…

    • Part of Encyclopædia of Chemistry, Theoretical, Practical, and Analytical, as Applied to the Arts and Manufacturers, Vol. I
    • 1877

    Machinery for the manufacture of gun-cotton (nitrocellulose):

    Poacher for washing the gun cotton pulp. Vat and mixing machine. No. 1 Hydraulic press. No. 2 Hydraulic press.

    • Part of Le Soleil [The Sun]
    • 1870

    Fig. 1: Spectrum of "red to orange" stars, particularly Alpha Orion and Antares. Secchi included Alpha Herculis, Beta Pegasi, Alpha Orion, and Antares in this third of four classes of stars.

    Fig. 2: Spectrum of…

    • Part of Le Soleil [The Sun]
    • 1870

    Fig. 1: Spectrum of "yellow" stars. Secchi included the sun, Pollux, Arcturus, Aldebaran, and Procyon in this second of four classes of stars.

    Fig. 2: Spectrum of "white" stars. Secchi included Sirius, Vega, Altair,…

    • Part of Le Soleil [The Sun]
    • 1870

    Fig. 1: Janssen (Pierre Jules César Janssen)
    Fig. 2: Brewster (David Brewster)
    Fig. 3: V. der Willingen (Volkert Simon Maarten van der Willigen)

    Secchi used these three solar spectra to illustrate how the position of…

    • circa 1868

    This imaginative portrayal of James Watt (1736-1819) was engraved by Herbert Bourne after a painting by Marcus Stone, which was in the collection of George Virtue, Esq. of Oatlands Park at the time that the print was…

    • Chromatic scale of tones: grey
    • 1864

    The gamut of grey tones from light to dark along a 20-tone scale, where positions 0 and 21 correspond to white and black respectively.

    • Chromatic scale of tones: orange-yellow
    • 1864

    The gamut of orange-yellow tones from light to dark along a 20-tone scale, where positions 0 and 21 correspond to white and black respectively.

    • Chromatic scale of tones: orange
    • 1864

    The gamut of orange tones from light to dark along a 20-tone scale, where positions 0 and 21 correspond to white and black respectively.