Concave Glass Mirror, 150mm (5.9") Diameter, 300mm Focal Length Pack Size_16 this electromagnet on a 4mm-terminal

this electromagnet on a 4mm-terminal base slots inline with other modules for circuit-driven magnetism work

Tensioner pulley keeps chain engagement consistent on this hand-cranked chain drive

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

Life-size elbow joint model shows humeroulnar and humeroradial articulations with supporting ligaments and arm muscle insertions for upper-limb anatomy teaching

and protein separation across three selectable ranges (0-50V

Concave Glass Mirror, 150mm (5.9") Diameter, 300mm Focal Length Pack Size_16 this electromagnet on a 4mm-terminalConcave glass mirror at 150mm (5. 9 inch) diameter and 300mm focal length, the f 2 geometry combining a wide light gathering face with moderate throw for projection and image work.