General view of an unidentified chemist preparing a drug evidence sample for analysis by a Perkin-Elmer Infrared Spectrophotometer in the Columbus Police Department Crime Laboratory. Per notations accompanying the…

General view of an unidentified chemist examining the graphical output of a Perkin-Elmer Model 621 Grating Infrared Spectrophotometer in use at the Federal Drug Enforcement Administration's Special Testing and Research…

General view of two unidentified chemists discussing the spectrum of a compound analyzed using a Perkin-Elmer fluorescence spectrophotometer in the laboratory of the Biomolecular Sciences Section of the Arthur D. Little…

General view of a sample of anti-cancer drug metabolite being inserted into the cell of a Perkin-Elmer fluorescence spectrophotometer at an unidentified laboratory facility. The woman visible in the photograph is…

White plastic medicine bottle with safety cap. Bottle contains tablets and original inner seal is intact. White, dark red, and yellow label adhered to bottle reads "Enovid".

The ubiquitous bottle has a long history.…

This advertisement is laid out for folding into a mailer, with a Brea, California return address and space for a mailing label. Like many Beckman Instruments advertisements, it focuses on practical features like speed,…

General view of British physiologist Sir Joseph Barcroft (1872-1947) examining a pumping apparatus in a laboratory at Cambridge University. A Fellow of the Royal Society, Sir Barcroft held the chair of physiology at…

General view of British physiologist Sir Joseph Barcroft (1972-1947) and an unidentified assistant performing a splenectomy, i.e. the complete removal of the spleen, on a dog. A Fellow of the Royal Society, Sir Barcroft…

General view of a laboratory bench at the Hospital of the Rockefeller Institute for Medical Research (H.R.I.M.R.) showing assorted laboratory glassware and scientific apparatus. The Rockefeller Institute for Medical…

General view of a laboratory bench at the Hospital of the Rockefeller Institute for Medical Research (H.R.I.M.R.) showing assorted laboratory glassware and scientific apparatus. The Rockefeller Institute for Medical…

General view of a laboratory bench at the Hospital of the Rockefeller Institute for Medical Research (H.R.I.M.R.) showing assorted laboratory glassware and scientific apparatus. The Rockefeller Institute for Medical…

Portrait of (left to right) Dr. Albert Baird Hastings (1895-1987) and Dr. James A. Hawkins posed in a laboratory at the Hospital of the Rockefeller Institute for Medical Research (H.R.I.M.R.). Best known for the study…

Bowls like this one were used to catch the blood released by bleeding. The appearance of blood was a useful diagnostic tool for physicians, who examined it for clues about the body's internal state. This large bowl was…

Color print advertisement for the Dow Chemical Company featuring an image of a young girl on a seesaw. The accompanying text details various applications of Dow products, including vitamins, fumigation, waste disposal,…

Depicts mullein, rosemary, nettle, and deadly nightshade.

Depicts peony, St. John's wort, aconite or monkshood, and lily of the valley.

Depicts a mad dog, scorpion, rattlesnake, tarantula, centipede, and copperhead.

Depicts dill, peppermint, spurge-laurel, and black bryony.

Depicts parsley, valerian, foxglove, and crowfoot.

Depicts buckthorn, fennel, tansy, and wood sorrel.

Depicts stavesacre, golden rod, lime, and bear berry.

Depicts hemlock, barberry, elder, and oak.

Depicts bittersweet, chamomile, caraway, and Herb Robert.

Depicts scurvy-grass, colchicum or meadow saffron, garlic, and horse-radish.

Depicts juniper, black currant, white horehound, and coltsfoot.