. Beck microscopes. Microscopes. £0 17 6 No. 3725. Luminex magnifier, fixed focus model, complete with lamp and battery No. 3726. Luminex magnifier, adjustable focus model X 10, complete with lamp and battery No. 3731. As No. 3726, but X 15 No. 3732. As No. 3726, but X20, achromatic lens No. 3727. Luminex magnifier, scale model with one scale No. 3728. Extra scales for No. 3727 Luminex microscope. This magnifier is similar'to the other models in principle, but has a compound microscope giving a magni- fying power of X 40 attached to it. It has a graduated scale in the eyepiece and reads to 1/l
. Beck microscopes. Microscopes. £0 17 6 No. 3725. Luminex magnifier, fixed focus model, complete with lamp and battery No. 3726. Luminex magnifier, adjustable focus model X 10, complete with lamp and battery No. 3731. As No. 3726, but X 15 No. 3732. As No. 3726, but X20, achromatic lens No. 3727. Luminex magnifier, scale model with one scale No. 3728. Extra scales for No. 3727 Luminex microscope. This magnifier is similar'to the other models in principle, but has a compound microscope giving a magni- fying power of X 40 attached to it. It has a graduated scale in the eyepiece and reads to 1/lOOOth inch or l/50th Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beck (R. & J. ) Ltd. London : Beck
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