Now showing items 21-40 of 57

  • 1.052 

    Bausch & Lomb Optical Co. (2012-02-07)
    The horseshoe base and the pillar, cast as one piece, and the limb are made of iron and painted black. The brass arm supports the body-tube, which has a triple nosepiece. The coarse adjustment is by rackwork, and the screw ...
  • 1.082 

    Long, Joseph. (2012-02-07)
    This instrument represents the finest example of its type prior to the development of achromatic microscopes. The main components are folded and packed, with complete accessories, in a mahogany box, lined with maroon velvet. ...
  • 1.042 

    Oberhaeuser, Georges. (2012-02-07)
    This early instrument, with a horseshoe-shaped base, has a brass body-tube that moves on the rackwork and is attached to the limb by a short arm. The pillar supports the stage and the limb. The instrument is also fitted ...
  • 1.053 

    James W. Queen & Company. (2012-02-07)
    This small microscope has a Y-shaped foot and double pillars of cast iron (cast as one piece) and painted black. The curved limb supports the body-tube, which moves by rackwork. The body is fitted with a draw-tube and a ...
  • 1.004 

    Dollond, John. (2012-02-07)
    This Ellis-Type Aquatic microscope has a tubular pillar attached to the box-foot. The pillar supports the stage, mirror, and an optical system consisting of a single lens. The instrument is also fitted with a screw-barrel ...
  • 1.018 

    Negretti & Zambra. (2012-02-07)
    This large compound binocular microscope is a variation on the popular Ross model (see our instrument 1.025, Ross 563). The Y-shaped foot supports the vertical double pillars, attached to the boxy limb by means of trunnions. ...
  • 1.017 

    Pillischer, Moritz. (2012-02-07)
    This early instrument by Pillischer sits on a flat solid base (Y-shaped, with a short stem), supporting flat pillars which curve forward. The arched limb is attached to a platform that holds the stage, and is fitted with ...
  • 1.024 

    Ross, Andrew. (2012-02-07)
    This compound monocular microscope is the earliest Ross instrument in the collection, and may be one of the four known to have survived. The limb, which supports the body-tube and stage, is attached to the pillar by a ...
  • 1.037 

    Powell & Lealand. (2012-02-07)
    Based on a new model introduced in 1843, this all brass instrument rests on a tripod, with the limb moving on the trunnions and supporting the body-tube and stage. The model served as the basis of the company's instrument ...
  • 1.008 

    Shuttleworth, Henry. (2012-02-07)
    This Cuff-type instrument has a tubular pillar which supports the body-tube, stage, and the mirror. It is attached to a wooden box fitted with two drawers. The stage and the mirror move by rackwork. Accessories include ...
  • 1.013 

    Powell & Lealand. (2012-02-07)
    This instrument is one of the earlier achromatic microscopes produced by Powell & Lealand shortly after they formed their partnership in 1841. The instrument is supported by a double pillar and a flat tripod. The body-tube ...
  • 1.010 

    Adams, George. (2012-02-07)
    The Cuff-type instrument is attached to the box-foot by a square pillar, which supports the body-tube, stage and the mirror. Focusing is by rackwork that moves the stage. The drawer includes accessories (objective lenses, ...
  • 1.020 

    James Swift & Son. (2012-02-07)
    The dissecting microscope has a large brass stage with hand rests (covered with leather). It is mounted on a pair of straight legs and a curved foot in the back. The binocular body is attached to the limb by an arm, with ...
  • 1.056 

    Bryson, Robert. (2012-02-07)
    This all brass monocular microscope has a bent claw foot, a feature found in James Swift & Son instruments. The stage, attached to the base by trunnions, supports the tubular limb with an arm. The coarse focusing is by the ...
  • 1.047 

    Reichert, Carl. (2012-02-07)
    The horseshoe-shaped base is attached to a rectangular pillar that supports the stage and the limb with an arm. The body-tube moves on the rackwork and has a triple nosepiece. The swinging substage consists of a condenser ...
  • 1.014 

    Powell & Lealand. (2012-02-07)
    The instrument, referred to as "Student's Compound Microscope" in Powell & Lealand catalogs, has a cast-iron foot and limb, painted black. It is also called the "iron" microscope. The limb supports the stage and the ...
  • 1.006 

    Dixey, Charles W. (2012-02-07)
    This Gould-type microscope, designed by Charles Gould, was a popular field microscope that could easily be packed into its small wooden box. The body-tube has two parts (cylindrical and conical), and the stage moves along ...
  • 1.015 

    Ladd, William. (2012-02-07)
    The tripod base, consisting of a tubular structure, supports the limb, which carries the body-tube, stage, condenser, and mirror. Focusing is by the fusee chain mechanism. It sits on a wooden platform and comes with ...
  • 1.036 

    Koristka, F. (2012-02-07)
    The horseshoe base and the pillar (cast as one piece) support the curved limb and the square stage. The body-tube moves by rackwork and has a triple nosepiece. The substage has a condenser and an iris diaphragm. It comes ...
  • 1.011 

    Adams, George. (2012-02-07)
    This unsigned, brass instrument is very similar to the "Improved Compound Microscope" shown in Adams' Essays on the Microscope (1787). The folding tripod base supports the round, tapered pillar. The round limb, attached ...