. Beck microscopes. Microscopes. Entomological magnifier. This consists of a magnifier (x 12) which together with a handle, by which the instru- ment is held, is hinged upon a slotted bar. In this slot is placed a fitting having at one end a forceps for holding an object and at the other end a spike upon which suitable objects can be impaled. A cork upon which ento- mological objects are pinned can be mounted on this spike. The forceps slides along the bar for focussing and can also be raised or lowered, and rotated. The whole appliance folds into a case 3^' X 2^" X ^" in the achro-
. Beck microscopes. Microscopes. Entomological magnifier. This consists of a magnifier (x 12) which together with a handle, by which the instru- ment is held, is hinged upon a slotted bar. In this slot is placed a fitting having at one end a forceps for holding an object and at the other end a spike upon which suitable objects can be impaled. A cork upon which ento- mological objects are pinned can be mounted on this spike. The forceps slides along the bar for focussing and can also be raised or lowered, and rotated. The whole appliance folds into a case 3^' X 2^" X ^" in the achro- matic type and 3V' X If" X ^" in the single lens type. No. 3702. Entomological magnifier with achromatic lens No. 3703. „ „ single lens .... £1 15 0 15 0 Luvex illuminating magnifier. The Luvex magnifier consists of a lens surrounded by a mirror which concentrates a reflected light on the object under examination. The brilliant illumination thus produded greatly faciHtates examination. It is particularly suited for use with objects having cavities as a direct beam of hght can be directed into the cavity and a clear view obtained. No. 3145. Xo in vulcanite mount No. 3146. XIO £0 8 6 0 5 6 No. 3145. Focostat magnifier. This lens fits the handle of a dissecting instru- ment, mapping pen, pencil, or needle, and magnifies the point of the instrument together with the object being dissected or the drawing being made. No. 3378. Focostat lens complete with dissecting No. 3378a. Ditto with mapping pen. No. 3378b. Ditto with two scalpels , £0 10 6 0 10 6 0 16 6 111. 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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