Group photograph showing chemists in Amsterdam. The pictured individuals are likely the students and colleagues of Jacobus van’t Hoff (1852-1911). Handwritten annotations identify the individuals from left to right as…

Arabella Burton Buckley (1840-1929) was a writer and science educator who championed Darwinian evolution as opposed to the contemporary emphasis on competition and physical survival. This fifth edition of Buckley's…

This photogravure by Gebbie & Husson Co. Ltd. reproduces Thomas Eakins' painting known as The Agnew Clinic (or The Clinic of Dr. Agnew). Eakins was commissioned by the University of Pennsylvania Medical Class of 1889 to…

Lucy Jane Rider Meyer (1849-1922) was an American social worker and educator who worked to provide health and social services for the poor, children, and elderly. A graduate of Oberlin College (class of 1872), Lucy…

Notebook containing notes created by Susie Collins during a high school chemistry class at Chelsea High School in Chelsea, Massachusetts. The notebook covers the period from February 16th through June 3rd, 1886 and…

Frontismatter and plates have been digitized from this volume on poisonous substances. Chromolithographed frontispiece plate illustrates blood spectra. Digitized plates depict various poisonous substances under…

Color plate illustrates an early method of bleaching cotton and linen goods on lawns. Two women stand amongst a vast landscape holding watering cans over strips of white cloth. Decorative frame is bordered by foliage…

Arabella Burton Buckley (1840-1929) was a writer and science educator who championed Darwinian evolution as opposed to the contemporary emphasis on competition and physical survival. This work, one of Buckley's…

Characterized by a religious Christian tone, the publication provides an overview of plants geared towards a general audience. Includes a microbiological discussion of plant cells and some discussion of plant taxonomy…

Mrs. A. T. Kent writes to James Curtis Booth (1810-1888) on behalf of a young woman seeking an employment opportunity at the United States Mint. Booth notes his reply on the verso, "waited and watched [for an]…

Work by Charles R. Lohman and Joseph F. Trow, husband and brother respectively of American self-proclaimed female physician, Ann Trow Lohman (1811-1878), who sold contraceptives and provided abortions in New York City…

Lecture notes taken by Amanda C. Shanklin for a college-level chemistry course at Oxford Female College in Oxford, Ohio. The lectures were given by Orange Nash Stoddard (1812-1892), professor of natural science at…

Long stem, round bottom flask with custom flange. Needle-size hole on opposite side of flange allows for release of pressure.

Frontispiece illustration depicts a woman holding passion flowers with the caption "The passion flower belongs to the class monadelphia and order pentandria. See page 165." The flower she holds is painted yellow…

Hand-colored lithograph of flowering rush, Butomus umbellatus. Class Enneandria, order Hexagynia.

Hand-colored lithograph of common mezereon, Daphne mezereum. Class Octandria, order Monogynia.

Hand-colored lithograph of snowdrop, Galanthus nivalis. Class Hexandria, order Monogynia.

Hand-colored lithograph of water mouse ear, Myosotis palustris, now known as the water forget-me-not. Class Pentandria, order Monogynia.

Hand-colored lithograph of common holly, Ilex aquifolium. Class Tetrandria, order Tetragynia.

Hand-colored lithograph of spring crocus, Crocus vernus. Class Triandria, order Monogynia.

Hand-colored lithograph of germander speedwell, Veronica chamaedrys. Class Diandria, order Monogynia.

Hand-colored lithograph with examples of the 24 botanical taxonomic classes: Monandria, Diandria, Triandria, Tetrandria, Pentandria, Hexandria, Heptandria, Octandria, Enneandria, Decandria, Dodecandria, Icosandria,…

Hand-colored lithograph illustrating the class Cryptogamia, containing a fern, moss, lichen, seaweed, and mushroom.

Hand-colored lithograph illustrating the parts of a flower, using the example of the common wallflower. Included parts are the flower, cup, corolla or blossom, stamen, pistil, seed-vessel, and receptacle.

Hand-colored lithograph of the common daisy, Bellis perennis. Class Syngenesia, order Polygamia superflua.