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Medium (Staff-only) Metal Remove constraint Medium (Staff-only): Metal

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    • 1972

    Developed in 1972, the HP-35 was Hewlett Packard's first pocket calculator and the first pocket calculator ever to have transcendental functions. Twenty HP engineers spent two years and approximately $1 million…

    • circa 1953

    The Manometric Blood Gas Apparatus was a revision on the original, fairly simple volumetric glass apparatus designed by Dr. Van Slyke in around 1917. The instrument liberated and isolated "the desired gas contained in a…

    • 1950 – 1990

    Adjustable mauve colored cotton self tie bow tie.

    • 1938 – 1960

    Green wooden case with textured green paper surface; label on front of case features a young boy looking through a microscope and an enlarged image of a dog flea; metal latch opens double-sided interior. 16 glass test…

    • 1953

    Wooden grey-blue case that opens on a hinge. Inside, the left side of the case contains: a sealed glass bottle of mounting cement, a sealed glass bottle of thinner, small cardboard boxes labeled "Microcraft Microscopy…

    • 1960 – 1969

    White metal case with color graphic of two young boys using the Gilbert microscope set. Case opens on a hinge. Inside, a blue styrofoam tray holds a plastic microscope, an electric plug-in light, an objective lens, a…

    • circa 1996

    Gray plastic (Rubbermaid) container; two panels open to the right and left and snap into place with small protrusions on the raised base platform; platform also has two support sticks that can be rotated outward so…

    • 1943

    Board-game like rectangular cardboard box; box top comes off and reveals a blue cardboard frame in the box bottom to support various set components; to the top right of the frame is a row of six wooden chemical…

  1. 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…

    • 1940s

    Electric-powered meter with instructions housed in wooden box. Movable components within box: two (2) slide glass filters (1 with red, green, and blue slides; 1 with orange, green, and blue slides); one (1) encasing to…

    • circa 1964 – 1968

    Used to create silicon ingots for use in the semiconductor industry, this crystal puller consists of two main parts, the furnace and the puller: the furnace is cylindrical and located at the bottom of the instrument, it…

  2. 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.

    • 1880 – 1890

    Black metal (iron) U-shaped base with cylindrical brass (plated) parts; two metal slide clips mounted to slide plate; rotatable eye piece lowered or raised by the adjustment of top right knob; circular mirror underneath…

    • 1955

    Cardboard box with removable lid; lime cardboard insert with various indentations and slits for chemicals and tools; on the bottom is a row of six amber glass bottles with lime metallic removable lids houses in…

    • 1957

    Cover features the image of a boy playing with a chemistry set flanked by a man working in an industrial lab; interior has a yellow plastic compartment tray that houses the multiple components of the kit; components…

    • 1900 – 1915

    Metal canister/dispenser of waxed dental floss; 150 yards; removable cap top.

    • 1950 – 1955

    Wooden case with internal wooden dividers; model pieces are color coded and shape coded, and made of plastic with metal links as bonds. Model pieces can be assembled to create molecular structure for bromine, carbon,…

    • 1940

    Box is wood; internal compartments are cardboard (20); pieces are wood with metal magnets as the bonds; contains sulfur (yellow), oxygen (light blue), nitrogen (dark blue), hydrogen (orange), chlorine (green), bromine…

    • before 1940

    Hand mirror, hairbrush, comb, nail buffer and holder, button hook, and trinket box of Ivory Pyralin, a brand name for DuPont celluloid.

    In the United States during the 1860s, John Wesley Hyatt experimented with…

  3. Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…

    • Plantago Psyllium L for Constipation, A Normal Bowel Regulator
    • 1920s

    Light gold painted metal can and lid both with extensive black and gold lettering and decoration. The main label reads "NATURALAX." Lid is rusted shut but the can appears to be full.

    • 1800s

    Gold painted metal can and lid both with extensive dark blue lettering and decoration.The main label reads "LANGLEBERT'S PSYLLIUM SEEDS." The can is full of small brown psyllium seeds, a source of soluble dietary fiber.

    • Psyllium Hydrophilic Mucilloid, A Natural Vegetable Powder for Treatment of Constipation
    • before 1985

    White plastic container with white painted screw capped metal lid. The main label is "Metamucil." Extensive descriptive and use information is printed on the container in green. The container is full with original seal…

    • 1919 – 1926

    A: Refractometer
    Instrument has round cast iron base; on the base is a rectangular glass mirror mounted to allow rotation; a single black pillar supports the prism alidade, the black cylindrical telescope viewer, and…