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Original William Cary Chest microscope - circa 1840

The extremely popular "Cary-type" field microscope design is shown here in a rarer form of chest microscope. Originally designed in the 1820’s by Charles Gould, who worked for Cary, the model was sold by various instrument makers throughout England. Most instruments are found unsigned. This model is signed on the pillar, "Cary, London," and comes with a more elaborate chest of accessories. The microscope itself is typical of the medium size Cary-type, except that it has a more sophisticated means of attaching the body to the pillar. A threaded cap allows for easy tensioning on the bar so that a smoother acquatic motion is attainable. With proper adjustment, the main body tube can easily move in-and-out, and side-to-side. The entire instrument stands 13" tall. The microscope itself is 9 7/8" with a 4 5/8" body tube. The slide stage is the clamping type. Focus is rack and pinion that moves the stage up and down the pillar. The mirror is a single concave, and is in excellent condition. The set comes with an extensive complement of accessories. There are seven lenses, four of which are numbered and screw in place. The fifth is a high power drop in. The sixth and seventh are different sized lieberkuhns with their own objectives. Other accessories include a stage forceps, stage condenser lens, brass tweezers, specimen knife, live box, a zoophyte trough, various colored glass slides, two slides marked "Selenites", one slide in a wooden mount marked "Tourmaline," another wooden slide, and a glass water trough slide. The instrument and its accessories are housed in a locking chest with removable top and side, and brass carry handle. The mahogany chest measures 6 " x 4 " by 3 " tall. It has three built in drawers with leather pulls. The largest drawer has a lift out tray. The microscope attaches to the case with a screw mount, and disassembles to fit compactly into the top section. The finish is made entirely of brass with no lacquer. All controls work perfectly. The optical system is excellent. Overall, the set is in excellent, usable condition. This is a very rare variation of a popular pattern, made all the more special with the original Cary signature on the pillar.

Item 1119

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