The model is complete with lenses, a diagram showing path of rays and is fitted on stand, for demonstration.
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90 mm diameter,16 mm thickness
Fitted in plastic frame Single, x4 Double, x7 Triple, x10 Single, x4, with leather pouch
Optically worked, back silvered, with protective coating.
Dissecting Magnifiers mounted on metal base horse shoe shape wrinkle painted with universal ball and socket arrangement for adjustment of the lens according to the position required.
All plastic frames
Brass dial head 40 mm diameter, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on tripod stand, distance between legs 40 mm.
Sizrs are mentioned below:- Screw pitch 1 mm Screw pitch 0.5 mm
Wooden, with V shaped slot to take spherical lens or mirror up to 75 mm diameter, with index mark. Lense holder, Wooden, 'V' Shaped.
Free from air bubbles, all sides polished
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