Abstract
MESSRS. W. WATSON AND SONS, LTD., 313 High Holborn, London, W.C.I, have an exhibition of microscopes at the Central Hall, Westminster, London, S.W.I, with the view of popularising the use of the microscope and demonstrating its recreational and educational possibilities. In this connexion,/ several small microscopes are exhibited, the cost of which is very reasonable. The material set up shows clearly that a great deal of useful teaching work can be done with a comparatively simple instrument. Striking exhibits of differential illumination by means of Rheinberg's disc illustrate the advantages of this method for demonstration and elementary teaching purposes. A very useful instrument exhibited, which should appeal to all microscopists and naturalists who are interested in microscopy in the field, is a small portable microscope. The stand can be folded and the tube lowered so that the whole instrument may be reduced to a size of 7 in. X 3 in. X 3 in. The cost too is very reasonable. Among the demonstrations in photomicrography is one by the Kodak Co., in which experiments with a microscope and an ordinary Brownie 125. Qd. box camera, using a super-sensitive panchromatic plate, have produced excellent results. Several new departures for methods in metallurgy and microprojection are being exhibited. A number of useful changes in construction of, and additions to, microscopes for research in biology, crystallography, metallurgy, are also on view; several types of binocular microscope, one with a new inter-pupillary adjustment, being of particular interest. The exhibition, which is open until December 16, is well worth a visit not only by microscopists, who wish to know what can be done with a simple instrument and the recent developments in the finer instruments; but also by those not familiar with microscope work, since there is much of interest to be learned from it.
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Exhibition of Microscopes. Nature 132, 923 (1933). https://doi.org/10.1038/132923a0
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DOI: https://doi.org/10.1038/132923a0