20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Item Type_Springs used both in galvanic-cell construction

used both in galvanic-cell construction and as the photoemitter in classic photoelectric-effect demonstrations

Micro Plus stethoscope features stainless steel chest piece and spare components for cardiovascular assessment and medical training

printing onto timer tape via carbon discs with an aluminum clamping plate for bench or track mounting

orthopedics

37-piece electricity and magnetism kit with cell holders

20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Item Type_Springs used both in galvanic-cell constructionTwenty specimen set spans igneous, metamorphic, and sedimentary rock types in a laminated display box for introductory geology classroom instruction.