US$ 147.50
and intestines
Body measures 5" in diameter
suited to transferring crucibles around open-flame chemistry work
Used to compare magnet strengths across the bar-magnet series
plus glass
Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout and intestinesLong focal plano convex glass lens at 50mm diameter and 200mm focal length, the f 4 geometry projecting collimated and well formed real images onto distant screens.
US$ 147.50
US$ 147.50
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