Writable and Erasable Terrestrial Globe Subcategory_Skeletons Chrome-plated metal-framed 50mm reading magnifier

Chrome-plated metal-framed 50mm reading magnifier with a 12cm focal length

Disarticulated half skeleton provides individual bone examination with moveable skull and intervertebral discs for advanced osteology teaching

this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork

the longest focal value in the 50mm convex line giving the gentlest divergence and largest virtual image

Lead-free five-cylinder equal-mass set at 30g each in zinc

Writable and Erasable Terrestrial Globe Subcategory_Skeletons Chrome-plated metal-framed 50mm reading magnifierWritable and erasable 12 inch globe with blank land masses and printed warm and cold ocean currents, encased in a half circle meridian ring for hands on geography mapping.