5-Piece Balance Weight Set Glass Sets & Apparatus_Distillation Apparatus Stand-mounted ring-and-ball thermal-expansion apparatus

Stand-mounted ring-and-ball thermal-expansion apparatus

Lamp-house assembly dimensioned as the matched replacement unit for optical bench and light-source apparatus when the original housing reaches end of life

letting students see conduction-rate differences in one view

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

5-Piece Balance Weight Set Glass Sets & Apparatus_Distillation Apparatus Stand-mounted ring-and-ball thermal-expansion apparatusFor beam balance use in physics and chemistry classrooms, this five piece weight set bundles machined steel shafts from 50 to 1000 grams on a wooden storage block.