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  1. Memory game features 54 card deck; 34 cards feature element number and cartoon characters who personify or act out elements and their characteristics, 16 group cards, and 4 command cards; game includes Periodic Table of…

  2. Used for counting blood cells, this particular hemocytometer was manufactured in Italy. Black case that opens by pressing in bronze button to reveal bright blue satin interior lining. Inside, the bottom half of the case…

  3. Used for counting blood cells, this hemocytometer was manufactured in Germany.

    Case opens to reveal thick glass microscope slide with a rectangular indentation that creates a chamber. This chamber is engraved with a…

  4. Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round red rubber bulb attached to one end of the glass. Stamp in black ink on red bulb reads "Ingram's/'Omega'/London."

  5. Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round black rubber pump attached to one end of the glass.

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

  7. 216 items

    The Center for Oral History at the Science History Institute develops and curates a growing collection of comprehensive, professionally conducted oral history interviews. The Center for Oral History aims to create a…

    • Badische Anilin- & Soda-Fabrik one hundred Mark voucher

    This Hundert Mark Gutschein, or one hundred Mark voucher, was issued by Badische Anilin- & Soda-Fabrik. Styled after a banknote, the frontside includes an embossed stamp with the backside outlining the terms of the…

  8. 33 items

    The Robert J. Bauman Collection contains chemical and petroleum industry currency collected by Robert J. Bauman. The contents of this collection consist of the various types of currency issued by chemical and petroleum…

  9. 8 items

    This collection consists of correspondence, reports, and research materials produced and collected by chemist Walter O. Snelling (1880-1965) over the course of his career as an industrial chemist primarily working with…

  10. 135 items

    This collection consists of the business records and printed and photographic materials of BetzDearborn, Incorporated, an American chemical company that manufactured water treatment chemicals for commercial and…

    • The Dropsical Woman

    This engraving, by the French printmaker Jean Baptiste Fosseyeux, reproduces an original painting by Gerrit Dou. The work, titled "The Dropsical Woman," shows a young but finely-robed doctor examining the urine of a…

  11. Tanglefoot brand pesticide can with black and white text on orange label with electronic sprayer graphic. Metal screw cap.

  12. Bee brand pesticide can with black and white text on yellow, blue, and red label with dog, cat, and bottle graphic.

  13. Frostee brand pesticide vaporizer with red and beige text on round tin. Two red lids with green midsection punched with holes.

  14. Mabex brand pesticide vaporizer with white text and moth graphics on red, round tin. Center punched with holes on both sides of tin.

  15. Black Flag brand round metal sprayer with black text on yellow label. Small rubber cap.

  16. Cenol brand pesticide can with navy text on white and bright orange label. Large moth graphic. Metal screw cap.

  17. Cenol brand pesticide can with black and white text on orange and black label. Metal double screw cap.

  18. Ortho brand pesticide bottle with black and white text on red label with fruit graphics. Red screw cap.

  19. Black Flag brand pesticide bottle with black text on light green and white label with flag graphic. White screw cap with sprayer.

  20. Miller's brand pesticide can with black and yellow text on red, yellow, and green label. Butterfly and landscape graphics.

  21. Pesticide can with black and white text on red, white, and green label. "De-Pester" in white text across top of can.